2681572164739 has 8 divisors (see below), whose sum is σ = 2892215862032. Its totient is φ = 2471552598240.

The previous prime is 2681572164679. The next prime is 2681572164823. The reversal of 2681572164739 is 9374612751862.

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

It is a cyclic number.

It is not a de Polignac number, because 2681572164739 - 2⁷ = 2681572164611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2681572164839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156023769 + ... + 156040954.

It is an arithmetic number, because the mean of its divisors is an integer number (361526982754).

Almost surely, 2^{2681572164739} is an apocalyptic number.

2681572164739 is a deficient number, since it is larger than the sum of its proper divisors (210643697293).

2681572164739 is a wasteful number, since it uses less digits than its factorization.

2681572164739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312065397.

The product of its digits is 30481920, while the sum is 61.

The spelling of 2681572164739 in words is "two trillion, six hundred eighty-one billion, five hundred seventy-two million, one hundred sixty-four thousand, seven hundred thirty-nine".