61336314961 has 2 divisors, whose sum is σ = 61336314962. Its totient is φ = 61336314960.

The previous prime is 61336314953. The next prime is 61336314973. The reversal of 61336314961 is 16941363316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60402401361 + 933913600 = 245769^2 + 30560^2 .

It is a cyclic number.

It is not a de Polignac number, because 61336314961 - 2³ = 61336314953 is a prime.

It is not a weakly prime, because it can be changed into another prime (61336315961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30668157480 + 30668157481.

It is an arithmetic number, because the mean of its divisors is an integer number (30668157481).

Almost surely, 2^61336314961 is an apocalyptic number.

It is an amenable number.

61336314961 is a deficient number, since it is larger than the sum of its proper divisors (1).

61336314961 is an equidigital number, since it uses as much as digits as its factorization.

61336314961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 43.

The spelling of 61336314961 in words is "sixty-one billion, three hundred thirty-six million, three hundred fourteen thousand, nine hundred sixty-one".