25890369014691 has 12 divisors (see below), whose sum is σ = 37397402877120. Its totient is φ = 17260152230160.

The previous prime is 25890369014683. The next prime is 25890369014743. The reversal of 25890369014691 is 19641096309852.

25890369014691 is a `hidden beast` number, since 2 + 5 + 89 + 0 + 3 + 6 + 90 + 1 + 469 + 1 = 666.

It is not a de Polignac number, because 25890369014691 - 2³ = 25890369014683 is a prime.

It is a super-2 number, since 2×25890369014691² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25890369414691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6045396 + ... + 9398273.

It is an arithmetic number, because the mean of its divisors is an integer number (3116450239760).

Almost surely, 2^{25890369014691} is an apocalyptic number.

25890369014691 is a deficient number, since it is larger than the sum of its proper divisors (11507033862429).

25890369014691 is a wasteful number, since it uses less digits than its factorization.

25890369014691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15629946 (or 15629943 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 25890369014691 in words is "twenty-five trillion, eight hundred ninety billion, three hundred sixty-nine million, fourteen thousand, six hundred ninety-one".