261674027713 has 16 divisors (see below), whose sum is σ = 300011016960. Its totient is φ = 223576871616.

The previous prime is 261674027711. The next prime is 261674027717. The reversal of 261674027713 is 317720476162.

It is not a de Polignac number, because 261674027713 - 2¹ = 261674027711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (261674027711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2887731 + ... + 2976967.

It is an arithmetic number, because the mean of its divisors is an integer number (18750688560).

Almost surely, 2^261674027713 is an apocalyptic number.

It is an amenable number.

261674027713 is a deficient number, since it is larger than the sum of its proper divisors (38336989247).

261674027713 is an equidigital number, since it uses as much as digits as its factorization.

261674027713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90576.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 261674027713 in words is "two hundred sixty-one billion, six hundred seventy-four million, twenty-seven thousand, seven hundred thirteen".