536407694742397 has 2 divisors, whose sum is σ = 536407694742398. Its totient is φ = 536407694742396.

The previous prime is 536407694742383. The next prime is 536407694742401. The reversal of 536407694742397 is 793247496704635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320074606015641 + 216333088726756 = 17890629^2 + 14708266^2 .

It is a cyclic number.

It is not a de Polignac number, because 536407694742397 - 2²³ = 536407686353789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536407694746397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268203847371198 + 268203847371199.

It is an arithmetic number, because the mean of its divisors is an integer number (268203847371199).

Almost surely, 2^{536407694742397} is an apocalyptic number.

It is an amenable number.

536407694742397 is a deficient number, since it is larger than the sum of its proper divisors (1).

536407694742397 is an equidigital number, since it uses as much as digits as its factorization.

536407694742397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5761082880, while the sum is 76.

The spelling of 536407694742397 in words is "five hundred thirty-six trillion, four hundred seven billion, six hundred ninety-four million, seven hundred forty-two thousand, three hundred ninety-seven".