65929021050 has 96 divisors (see below), whose sum is σ = 165332846592. Its totient is φ = 17385338880.

The previous prime is 65929021043. The next prime is 65929021079. The reversal of 65929021050 is 5012092956.

It is a super-2 number, since 2×65929021050² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5957122 + ... + 5968178.

It is an arithmetic number, because the mean of its divisors is an integer number (1722217152).

Almost surely, 2^65929021050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65929021050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82666423296).

65929021050 is an abundant number, since it is smaller than the sum of its proper divisors (99403825542).

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

65929021050 is a wasteful number, since it uses less digits than its factorization.

65929021050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11512 (or 11507 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 65929021050 in words is "sixty-five billion, nine hundred twenty-nine million, twenty-one thousand, fifty".