45512404397 has 2 divisors, whose sum is σ = 45512404398. Its totient is φ = 45512404396.

The previous prime is 45512404373. The next prime is 45512404463. The reversal of 45512404397 is 79340421554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31478211241 + 14034193156 = 177421^2 + 118466^2 .

It is a cyclic number.

It is not a de Polignac number, because 45512404397 - 2¹⁸ = 45512142253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45512404897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22756202198 + 22756202199.

It is an arithmetic number, because the mean of its divisors is an integer number (22756202199).

Almost surely, 2^45512404397 is an apocalyptic number.

It is an amenable number.

45512404397 is a deficient number, since it is larger than the sum of its proper divisors (1).

45512404397 is an equidigital number, since it uses as much as digits as its factorization.

45512404397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 45512404397 in words is "forty-five billion, five hundred twelve million, four hundred four thousand, three hundred ninety-seven".