651049863324 has 48 divisors (see below), whose sum is σ = 1783055490048. Its totient is φ = 180986833728.

The previous prime is 651049863307. The next prime is 651049863329. The reversal of 651049863324 is 423368940156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651049863329) 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, 104734644 + ... + 104740859.

It is an arithmetic number, because the mean of its divisors is an integer number (37146989376).

Almost surely, 2^651049863324 is an apocalyptic number.

It is an amenable number.

651049863324 is an abundant number, since it is smaller than the sum of its proper divisors (1132005626724).

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

651049863324 is a wasteful number, since it uses less digits than its factorization.

651049863324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209475554 (or 209475552 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 651049863324 in words is "six hundred fifty-one billion, forty-nine million, eight hundred sixty-three thousand, three hundred twenty-four".