65345274204 has 96 divisors (see below), whose sum is σ = 179999586816. Its totient is φ = 18060330240.

The previous prime is 65345274199. The next prime is 65345274223. The reversal of 65345274204 is 40247254356.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476919 + ... + 598449.

It is an arithmetic number, because the mean of its divisors is an integer number (1874995696).

Almost surely, 2^65345274204 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 65345274204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89999793408).

65345274204 is an abundant number, since it is smaller than the sum of its proper divisors (114654312612).

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

65345274204 is a wasteful number, since it uses less digits than its factorization.

65345274204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121755 (or 121753 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 42.

The spelling of 65345274204 in words is "sixty-five billion, three hundred forty-five million, two hundred seventy-four thousand, two hundred four".