6101572681 has 4 divisors (see below), whose sum is σ = 6110804164. Its totient is φ = 6092341200.

The previous prime is 6101572661. The next prime is 6101572693. The reversal of 6101572681 is 1862751016.

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 4563678025 + 1537894656 = 67555^2 + 39216^2 .

It is a cyclic number.

It is not a de Polignac number, because 6101572681 - 2⁵ = 6101572649 is a prime.

It is a super-2 number, since 2×6101572681² = 74458378363051055522, which contains 22 as substring.

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 6101572681.

It is not an unprimeable number, because it can be changed into a prime (6101572661) 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, 4614750 + ... + 4616071.

It is an arithmetic number, because the mean of its divisors is an integer number (1527701041).

Almost surely, 2^6101572681 is an apocalyptic number.

It is an amenable number.

6101572681 is a deficient number, since it is larger than the sum of its proper divisors (9231483).

6101572681 is an equidigital number, since it uses as much as digits as its factorization.

6101572681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9231482.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 6101572681 is about 78112.5641686406. The cubic root of 6101572681 is about 1827.3171474164.

The spelling of 6101572681 in words is "six billion, one hundred one million, five hundred seventy-two thousand, six hundred eighty-one".