650897340368 has 40 divisors (see below), whose sum is σ = 1376496291456. Its totient is φ = 295704147200.

The previous prime is 650897340347. The next prime is 650897340377. The reversal of 650897340368 is 863043798056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659021 + ... + 1317612.

Almost surely, 2^650897340368 is an apocalyptic number.

It is an amenable number.

650897340368 is an abundant number, since it is smaller than the sum of its proper divisors (725598951088).

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

650897340368 is a wasteful number, since it uses less digits than its factorization.

650897340368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978523 (or 1978517 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 650897340368 in words is "six hundred fifty billion, eight hundred ninety-seven million, three hundred forty thousand, three hundred sixty-eight".