62400943961 has 2 divisors, whose sum is σ = 62400943962. Its totient is φ = 62400943960.

The previous prime is 62400943919. The next prime is 62400943999. The reversal of 62400943961 is 16934900426.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37813135936 + 24587808025 = 194456^2 + 156805^2 .

It is a cyclic number.

It is not a de Polignac number, because 62400943961 - 2⁶ = 62400943897 is a prime.

It is not a weakly prime, because it can be changed into another prime (62400943901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31200471980 + 31200471981.

It is an arithmetic number, because the mean of its divisors is an integer number (31200471981).

Almost surely, 2^62400943961 is an apocalyptic number.

It is an amenable number.

62400943961 is a deficient number, since it is larger than the sum of its proper divisors (1).

62400943961 is an equidigital number, since it uses as much as digits as its factorization.

62400943961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 62400943961 in words is "sixty-two billion, four hundred million, nine hundred forty-three thousand, nine hundred sixty-one".