650990011937 has 2 divisors, whose sum is σ = 650990011938. Its totient is φ = 650990011936.

The previous prime is 650990011883. The next prime is 650990012027. The reversal of 650990011937 is 739110099056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 650500319296 + 489692641 = 806536^2 + 22129^2 .

It is a cyclic number.

It is not a de Polignac number, because 650990011937 - 2⁶ = 650990011873 is a prime.

It is not a weakly prime, because it can be changed into another prime (650990011237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325495005968 + 325495005969.

It is an arithmetic number, because the mean of its divisors is an integer number (325495005969).

Almost surely, 2^650990011937 is an apocalyptic number.

It is an amenable number.

650990011937 is a deficient number, since it is larger than the sum of its proper divisors (1).

650990011937 is an equidigital number, since it uses as much as digits as its factorization.

650990011937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 459270, while the sum is 50.

The spelling of 650990011937 in words is "six hundred fifty billion, nine hundred ninety million, eleven thousand, nine hundred thirty-seven".