2961130421657 has 2 divisors, whose sum is σ = 2961130421658. Its totient is φ = 2961130421656.

The previous prime is 2961130421593. The next prime is 2961130421713. The reversal of 2961130421657 is 7561240311692.

It is a happy number.

2961130421657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2803518245641 + 157612176016 = 1674371^2 + 397004^2 .

It is a cyclic number.

It is not a de Polignac number, because 2961130421657 - 2⁶ = 2961130421593 is a prime.

It is a super-2 number, since 2×2961130421657² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2961130421057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480565210828 + 1480565210829.

It is an arithmetic number, because the mean of its divisors is an integer number (1480565210829).

Almost surely, 2^{2961130421657} is an apocalyptic number.

It is an amenable number.

2961130421657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961130421657 is an equidigital number, since it uses as much as digits as its factorization.

2961130421657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 2961130421657 in words is "two trillion, nine hundred sixty-one billion, one hundred thirty million, four hundred twenty-one thousand, six hundred fifty-seven".