6314623661 has 4 divisors (see below), whose sum is σ = 6379722972. Its totient is φ = 6249524352.

The previous prime is 6314623577. The next prime is 6314623663. The reversal of 6314623661 is 1663264136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3512932900 + 2801690761 = 59270^2 + 52931^2 .

It is a cyclic number.

It is not a de Polignac number, because 6314623661 - 2²² = 6310429357 is a prime.

It is a super-2 number, since 2×6314623661² = 79748943960122085842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6314623663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32549510 + ... + 32549703.

It is an arithmetic number, because the mean of its divisors is an integer number (1594930743).

Almost surely, 2^6314623661 is an apocalyptic number.

It is an amenable number.

6314623661 is a deficient number, since it is larger than the sum of its proper divisors (65099311).

6314623661 is an equidigital number, since it uses as much as digits as its factorization.

6314623661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65099310.

The product of its digits is 93312, while the sum is 38.

The square root of 6314623661 is about 79464.6063414398. The cubic root of 6314623661 is about 1848.3426755522.

Adding to 6314623661 its reverse (1663264136), we get a palindrome (7977887797).

The spelling of 6314623661 in words is "six billion, three hundred fourteen million, six hundred twenty-three thousand, six hundred sixty-one".