651045914690 has 16 divisors (see below), whose sum is σ = 1175075793792. Its totient is φ = 259708777584.

The previous prime is 651045914671. The next prime is 651045914711. The reversal of 651045914690 is 96419540156.

It is a super-2 number, since 2×651045914690² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88694684 + ... + 88702023.

It is an arithmetic number, because the mean of its divisors is an integer number (73442237112).

Almost surely, 2^651045914690 is an apocalyptic number.

651045914690 is a deficient number, since it is larger than the sum of its proper divisors (524029879102).

651045914690 is a wasteful number, since it uses less digits than its factorization.

651045914690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177397081.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 651045914690 in words is "six hundred fifty-one billion, forty-five million, nine hundred fourteen thousand, six hundred ninety".