946490637121 has 2 divisors, whose sum is σ = 946490637122. Its totient is φ = 946490637120.

The previous prime is 946490637089. The next prime is 946490637149. The reversal of 946490637121 is 121736094649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491837118721 + 454653518400 = 701311^2 + 674280^2 .

It is a cyclic number.

It is not a de Polignac number, because 946490637121 - 2⁵ = 946490637089 is a prime.

It is not a weakly prime, because it can be changed into another prime (946490137121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473245318560 + 473245318561.

It is an arithmetic number, because the mean of its divisors is an integer number (473245318561).

Almost surely, 2^946490637121 is an apocalyptic number.

It is an amenable number.

946490637121 is a deficient number, since it is larger than the sum of its proper divisors (1).

946490637121 is an equidigital number, since it uses as much as digits as its factorization.

946490637121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 946490637121 in words is "nine hundred forty-six billion, four hundred ninety million, six hundred thirty-seven thousand, one hundred twenty-one".