64532960607761 has 2 divisors, whose sum is σ = 64532960607762. Its totient is φ = 64532960607760.

The previous prime is 64532960607719. The next prime is 64532960607779. The reversal of 64532960607761 is 16770606923546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59943751252225 + 4589209355536 = 7742335^2 + 2142244^2 .

It is a cyclic number.

It is not a de Polignac number, because 64532960607761 - 2³⁸ = 64258082700817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64532960607694 and 64532960607703.

It is not a weakly prime, because it can be changed into another prime (64532960507761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32266480303880 + 32266480303881.

It is an arithmetic number, because the mean of its divisors is an integer number (32266480303881).

Almost surely, 2^{64532960607761} is an apocalyptic number.

It is an amenable number.

64532960607761 is a deficient number, since it is larger than the sum of its proper divisors (1).

64532960607761 is an equidigital number, since it uses as much as digits as its factorization.

64532960607761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68584320, while the sum is 62.

The spelling of 64532960607761 in words is "sixty-four trillion, five hundred thirty-two billion, nine hundred sixty million, six hundred seven thousand, seven hundred sixty-one".