650012640425 has 24 divisors (see below), whose sum is σ = 821590605312. Its totient is φ = 510010920000.

The previous prime is 650012640383. The next prime is 650012640439. The reversal of 650012640425 is 524046210056.

It is a de Polignac number, because none of the positive numbers 2^k-650012640425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85001 + ... + 1143350.

It is an arithmetic number, because the mean of its divisors is an integer number (34232941888).

Almost surely, 2^650012640425 is an apocalyptic number.

It is an amenable number.

650012640425 is a deficient number, since it is larger than the sum of its proper divisors (171577964887).

650012640425 is a wasteful number, since it uses less digits than its factorization.

650012640425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228769 (or 1228764 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 650012640425 in words is "six hundred fifty billion, twelve million, six hundred forty thousand, four hundred twenty-five".