6170630849681 has 4 divisors (see below), whose sum is σ = 6170651772852. Its totient is φ = 6170609926512.

The previous prime is 6170630849671. The next prime is 6170630849687. The reversal of 6170630849681 is 1869480360716.

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 2858263609600 + 3312367240081 = 1690640^2 + 1819991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6170630849681 is a prime.

It is a super-2 number, since 2×6170630849681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6170630849681.

It is not an unprimeable number, because it can be changed into a prime (6170630849687) 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, 10012790 + ... + 10611183.

It is an arithmetic number, because the mean of its divisors is an integer number (1542662943213).

Almost surely, 2^{6170630849681} is an apocalyptic number.

It is an amenable number.

6170630849681 is a deficient number, since it is larger than the sum of its proper divisors (20923171).

6170630849681 is a wasteful number, since it uses less digits than its factorization.

6170630849681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20923170.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 6170630849681 in words is "six trillion, one hundred seventy billion, six hundred thirty million, eight hundred forty-nine thousand, six hundred eighty-one".