65047929504 has 96 divisors (see below), whose sum is σ = 178264001664. Its totient is φ = 20729533440.

The previous prime is 65047929497. The next prime is 65047929509. The reversal of 65047929504 is 40592974056.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (65047929509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5251062 + ... + 5263434.

It is an arithmetic number, because the mean of its divisors is an integer number (1856916684).

Almost surely, 2^65047929504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65047929504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89132000832).

65047929504 is an abundant number, since it is smaller than the sum of its proper divisors (113216072160).

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

65047929504 is a wasteful number, since it uses less digits than its factorization.

65047929504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14790 (or 14782 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 65047929504 in words is "sixty-five billion, forty-seven million, nine hundred twenty-nine thousand, five hundred four".