651405465250 has 64 divisors (see below), whose sum is σ = 1299523709952. Its totient is φ = 243930456000.

The previous prime is 651405465233. The next prime is 651405465251. The reversal of 651405465250 is 52564504156.

651405465250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 651405465197 and 651405465206.

It is not an unprimeable number, because it can be changed into a prime (651405465251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934941 + ... + 1475440.

It is an arithmetic number, because the mean of its divisors is an integer number (20305057968).

Almost surely, 2^651405465250 is an apocalyptic number.

651405465250 is a deficient number, since it is larger than the sum of its proper divisors (648118244702).

651405465250 is a wasteful number, since it uses less digits than its factorization.

651405465250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410468 (or 2410458 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 651405465250 in words is "six hundred fifty-one billion, four hundred five million, four hundred sixty-five thousand, two hundred fifty".