45211765393 has 2 divisors, whose sum is σ = 45211765394. Its totient is φ = 45211765392.

The previous prime is 45211765373. The next prime is 45211765433. The reversal of 45211765393 is 39356711254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31253996944 + 13957768449 = 176788^2 + 118143^2 .

It is a cyclic number.

It is not a de Polignac number, because 45211765393 - 2⁹ = 45211764881 is a prime.

It is not a weakly prime, because it can be changed into another prime (45211765373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22605882696 + 22605882697.

It is an arithmetic number, because the mean of its divisors is an integer number (22605882697).

Almost surely, 2^45211765393 is an apocalyptic number.

It is an amenable number.

45211765393 is a deficient number, since it is larger than the sum of its proper divisors (1).

45211765393 is an equidigital number, since it uses as much as digits as its factorization.

45211765393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 46.

The spelling of 45211765393 in words is "forty-five billion, two hundred eleven million, seven hundred sixty-five thousand, three hundred ninety-three".