65923491452 has 48 divisors (see below), whose sum is σ = 142024720320. Its totient is φ = 26073073152.

The previous prime is 65923491437. The next prime is 65923491481. The reversal of 65923491452 is 25419432956.

It is a self number, because there is not a number n which added to its sum of digits gives 65923491452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1584338 + ... + 1625414.

It is an arithmetic number, because the mean of its divisors is an integer number (2958848340).

Almost surely, 2^65923491452 is an apocalyptic number.

It is an amenable number.

65923491452 is an abundant number, since it is smaller than the sum of its proper divisors (76101228868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65923491452 is a wasteful number, since it uses less digits than its factorization.

65923491452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45510 (or 45508 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 50.

The spelling of 65923491452 in words is "sixty-five billion, nine hundred twenty-three million, four hundred ninety-one thousand, four hundred fifty-two".