45608721701 has 2 divisors, whose sum is σ = 45608721702. Its totient is φ = 45608721700.

The previous prime is 45608721673. The next prime is 45608721749. The reversal of 45608721701 is 10712780654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36835589476 + 8773132225 = 191926^2 + 93665^2 .

It is a cyclic number.

It is not a de Polignac number, because 45608721701 - 2⁶ = 45608721637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45608721761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22804360850 + 22804360851.

It is an arithmetic number, because the mean of its divisors is an integer number (22804360851).

Almost surely, 2^45608721701 is an apocalyptic number.

It is an amenable number.

45608721701 is a deficient number, since it is larger than the sum of its proper divisors (1).

45608721701 is an equidigital number, since it uses as much as digits as its factorization.

45608721701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 45608721701 in words is "forty-five billion, six hundred eight million, seven hundred twenty-one thousand, seven hundred one".