65654453525 has 6 divisors (see below), whose sum is σ = 81411522402. Its totient is φ = 52523562800.

The previous prime is 65654453503. The next prime is 65654453531. The reversal of 65654453525 is 52535445656.

It can be written as a sum of positive squares in 3 ways, for example, as 128164 + 65654325361 = 358^2 + 256231^2 .

It is not a de Polignac number, because 65654453525 - 2⁸ = 65654453269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1313089046 + ... + 1313089095.

It is an arithmetic number, because the mean of its divisors is an integer number (13568587067).

Almost surely, 2^65654453525 is an apocalyptic number.

It is an amenable number.

65654453525 is a deficient number, since it is larger than the sum of its proper divisors (15757068877).

65654453525 is a wasteful number, since it uses less digits than its factorization.

65654453525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626178151 (or 2626178146 counting only the distinct ones).

The product of its digits is 10800000, while the sum is 50.

The spelling of 65654453525 in words is "sixty-five billion, six hundred fifty-four million, four hundred fifty-three thousand, five hundred twenty-five".