650297891968532 has 12 divisors (see below), whose sum is σ = 1156677398010036. Its totient is φ = 319818635394240.

The previous prime is 650297891968481. The next prime is 650297891968541. The reversal of 650297891968532 is 235869198792056.

It can be written as a sum of positive squares in 2 ways, for example, as 69156421489156 + 581141470479376 = 8316034^2 + 24106876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332577647233 + ... + 1332577647720.

It is an arithmetic number, because the mean of its divisors is an integer number (96389783167503).

Almost surely, 2^{650297891968532} is an apocalyptic number.

It is an amenable number.

650297891968532 is a deficient number, since it is larger than the sum of its proper divisors (506379506041504).

650297891968532 is a wasteful number, since it uses less digits than its factorization.

650297891968532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665155295018 (or 2665155295016 counting only the distinct ones).

The product of its (nonzero) digits is 3527193600, while the sum is 80.

The spelling of 650297891968532 in words is "six hundred fifty trillion, two hundred ninety-seven billion, eight hundred ninety-one million, nine hundred sixty-eight thousand, five hundred thirty-two".