6213356461 has 8 divisors (see below), whose sum is σ = 6872153624. Its totient is φ = 5580394560.

The previous prime is 6213356453. The next prime is 6213356477. The reversal of 6213356461 is 1646533126.

It can be written as a sum of positive squares in 4 ways, for example, as 799192900 + 5414163561 = 28270^2 + 73581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6213356461 - 2³ = 6213356453 is a prime.

It is a super-2 number, since 2×6213356461² = 77211597022900889042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6213356461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6213356411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6458310 + ... + 6459271.

It is an arithmetic number, because the mean of its divisors is an integer number (859019203).

Almost surely, 2^6213356461 is an apocalyptic number.

It is an amenable number.

6213356461 is a deficient number, since it is larger than the sum of its proper divisors (658797163).

6213356461 is a wasteful number, since it uses less digits than its factorization.

6213356461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12917631.

The product of its digits is 77760, while the sum is 37.

The square root of 6213356461 is about 78824.8467236061. The cubic root of 6213356461 is about 1838.4087989156.

Adding to 6213356461 its reverse (1646533126), we get a palindrome (7859889587).

The spelling of 6213356461 in words is "six billion, two hundred thirteen million, three hundred fifty-six thousand, four hundred sixty-one".