650577749051 has 2 divisors, whose sum is σ = 650577749052. Its totient is φ = 650577749050.

The previous prime is 650577749027. The next prime is 650577749117. The reversal of 650577749051 is 150947775056.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 650577749051 - 2²⁶ = 650510640187 is a prime.

It is not a weakly prime, because it can be changed into another prime (650577749351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325288874525 + 325288874526.

It is an arithmetic number, because the mean of its divisors is an integer number (325288874526).

Almost surely, 2^650577749051 is an apocalyptic number.

650577749051 is a deficient number, since it is larger than the sum of its proper divisors (1).

650577749051 is an equidigital number, since it uses as much as digits as its factorization.

650577749051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9261000, while the sum is 56.

The spelling of 650577749051 in words is "six hundred fifty billion, five hundred seventy-seven million, seven hundred forty-nine thousand, fifty-one".