651380022946 has 24 divisors (see below), whose sum is σ = 1039206164976. Its totient is φ = 306153587520.

The previous prime is 651380022941. The next prime is 651380022959. The reversal of 651380022946 is 649220083156.

651380022946 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 = 651380022896 and 651380022905.

It is not an unprimeable number, because it can be changed into a prime (651380022941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226036 + ... + 1163551.

It is an arithmetic number, because the mean of its divisors is an integer number (43300256874).

Almost surely, 2^651380022946 is an apocalyptic number.

651380022946 is a deficient number, since it is larger than the sum of its proper divisors (387826142030).

651380022946 is a wasteful number, since it uses less digits than its factorization.

651380022946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390434 (or 1390417 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 651380022946 in words is "six hundred fifty-one billion, three hundred eighty million, twenty-two thousand, nine hundred forty-six".