45619315393 has 2 divisors, whose sum is σ = 45619315394. Its totient is φ = 45619315392.

The previous prime is 45619315367. The next prime is 45619315429. The reversal of 45619315393 is 39351391654.

It is a happy number.

45619315393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36154360449 + 9464954944 = 190143^2 + 97288^2 .

It is a cyclic number.

It is not a de Polignac number, because 45619315393 - 2²⁹ = 45082444481 is a prime.

It is a super-2 number, since 2×45619315393² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45619315303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22809657696 + 22809657697.

It is an arithmetic number, because the mean of its divisors is an integer number (22809657697).

Almost surely, 2^45619315393 is an apocalyptic number.

It is an amenable number.

45619315393 is a deficient number, since it is larger than the sum of its proper divisors (1).

45619315393 is an equidigital number, since it uses as much as digits as its factorization.

45619315393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1312200, while the sum is 49.

The spelling of 45619315393 in words is "forty-five billion, six hundred nineteen million, three hundred fifteen thousand, three hundred ninety-three".