39755455793 has 2 divisors, whose sum is σ = 39755455794. Its totient is φ = 39755455792.

The previous prime is 39755455721. The next prime is 39755455799.

39755455793 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38853534769 + 901921024 = 197113^2 + 30032^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39755455793 is a prime.

It is not a weakly prime, because it can be changed into another prime (39755455799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19877727896 + 19877727897.

It is an arithmetic number, because the mean of its divisors is an integer number (19877727897).

Almost surely, 2^39755455793 is an apocalyptic number.

It is an amenable number.

39755455793 is a deficient number, since it is larger than the sum of its proper divisors (1).

39755455793 is an equidigital number, since it uses as much as digits as its factorization.

39755455793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89302500, while the sum is 62.

The spelling of 39755455793 in words is "thirty-nine billion, seven hundred fifty-five million, four hundred fifty-five thousand, seven hundred ninety-three".