65274431296 has 224 divisors, whose sum is σ = 148878950400. Its totient is φ = 28229160960.

The previous prime is 65274431269. The next prime is 65274431351. The reversal of 65274431296 is 69213447256.

It is a super-3 number, since 3×65274431296³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68493156 + ... + 68494108.

Almost surely, 2^65274431296 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 65274431296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74439475200).

65274431296 is an abundant number, since it is smaller than the sum of its proper divisors (83604519104).

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

65274431296 is a wasteful number, since it uses less digits than its factorization.

65274431296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1107 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The spelling of 65274431296 in words is "sixty-five billion, two hundred seventy-four million, four hundred thirty-one thousand, two hundred ninety-six".