25969669734613 has 32 divisors (see below), whose sum is σ = 29623151779200. Its totient is φ = 22558397875200.

The previous prime is 25969669734601. The next prime is 25969669734641. The reversal of 25969669734613 is 31643796696952.

It is not a de Polignac number, because 25969669734613 - 2¹³ = 25969669726421 is a prime.

It is a super-2 number, since 2×25969669734613² (a number of 28 digits) 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 25969669734613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25969669734413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5343745 + ... + 8971897.

It is an arithmetic number, because the mean of its divisors is an integer number (925723493100).

Almost surely, 2^{25969669734613} is an apocalyptic number.

It is an amenable number.

25969669734613 is a deficient number, since it is larger than the sum of its proper divisors (3653482044587).

25969669734613 is a wasteful number, since it uses less digits than its factorization.

25969669734613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628533.

The product of its digits is 2380855680, while the sum is 76.

The spelling of 25969669734613 in words is "twenty-five trillion, nine hundred sixty-nine billion, six hundred sixty-nine million, seven hundred thirty-four thousand, six hundred thirteen".