65054701961 has 2 divisors, whose sum is σ = 65054701962. Its totient is φ = 65054701960.

The previous prime is 65054701913. The next prime is 65054701979. The reversal of 65054701961 is 16910745056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59379942400 + 5674759561 = 243680^2 + 75331^2 .

It is a cyclic number.

It is not a de Polignac number, because 65054701961 - 2¹⁸ = 65054439817 is a prime.

It is a super-2 number, since 2×65054701961² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (65054701981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32527350980 + 32527350981.

It is an arithmetic number, because the mean of its divisors is an integer number (32527350981).

Almost surely, 2^65054701961 is an apocalyptic number.

It is an amenable number.

65054701961 is a deficient number, since it is larger than the sum of its proper divisors (1).

65054701961 is an equidigital number, since it uses as much as digits as its factorization.

65054701961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 65054701961 in words is "sixty-five billion, fifty-four million, seven hundred one thousand, nine hundred sixty-one".