25465653069 has 8 divisors (see below), whose sum is σ = 33984606240. Its totient is φ = 16961900976.

The previous prime is 25465653067. The next prime is 25465653097. The reversal of 25465653069 is 96035656452.

It is a happy number.

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

It is not a de Polignac number, because 25465653069 - 2¹ = 25465653067 is a prime.

It is a super-2 number, since 2×25465653069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25465653067) 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, 3796359 + ... + 3803060.

It is an arithmetic number, because the mean of its divisors is an integer number (4248075780).

Almost surely, 2^25465653069 is an apocalyptic number.

It is an amenable number.

25465653069 is a deficient number, since it is larger than the sum of its proper divisors (8518953171).

25465653069 is a wasteful number, since it uses less digits than its factorization.

25465653069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600539.

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 25465653069 in words is "twenty-five billion, four hundred sixty-five million, six hundred fifty-three thousand, sixty-nine".