3153668950657 has 2 divisors, whose sum is σ = 3153668950658. Its totient is φ = 3153668950656.

The previous prime is 3153668950639. The next prime is 3153668950673. The reversal of 3153668950657 is 7560598663513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3018503163456 + 135165787201 = 1737384^2 + 367649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3153668950657 is a prime.

It is not a weakly prime, because it can be changed into another prime (3153668950687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1576834475328 + 1576834475329.

It is an arithmetic number, because the mean of its divisors is an integer number (1576834475329).

Almost surely, 2^{3153668950657} is an apocalyptic number.

It is an amenable number.

3153668950657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3153668950657 is an equidigital number, since it uses as much as digits as its factorization.

3153668950657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472000, while the sum is 64.

The spelling of 3153668950657 in words is "three trillion, one hundred fifty-three billion, six hundred sixty-eight million, nine hundred fifty thousand, six hundred fifty-seven".