650656056157 has 2 divisors, whose sum is σ = 650656056158. Its totient is φ = 650656056156.

The previous prime is 650656056137. The next prime is 650656056161. The reversal of 650656056157 is 751650656056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 628498542841 + 22157513316 = 792779^2 + 148854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650656056157 is a prime.

It is a super-2 number, since 2×650656056157² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650656056137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325328028078 + 325328028079.

It is an arithmetic number, because the mean of its divisors is an integer number (325328028079).

Almost surely, 2^650656056157 is an apocalyptic number.

It is an amenable number.

650656056157 is a deficient number, since it is larger than the sum of its proper divisors (1).

650656056157 is an equidigital number, since it uses as much as digits as its factorization.

650656056157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670000, while the sum is 52.

The spelling of 650656056157 in words is "six hundred fifty billion, six hundred fifty-six million, fifty-six thousand, one hundred fifty-seven".