42404052314497 has 2 divisors, whose sum is σ = 42404052314498. Its totient is φ = 42404052314496.

The previous prime is 42404052314473. The next prime is 42404052314537. The reversal of 42404052314497 is 79441325040424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34837806350736 + 7566245963761 = 5902356^2 + 2750681^2 .

It is a cyclic number.

It is not a de Polignac number, because 42404052314497 - 2²³ = 42404043925889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42404052314497.

It is not a weakly prime, because it can be changed into another prime (42404052314447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21202026157248 + 21202026157249.

It is an arithmetic number, because the mean of its divisors is an integer number (21202026157249).

Almost surely, 2^{42404052314497} is an apocalyptic number.

It is an amenable number.

42404052314497 is a deficient number, since it is larger than the sum of its proper divisors (1).

42404052314497 is an equidigital number, since it uses as much as digits as its factorization.

42404052314497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 42404052314497 in words is "forty-two trillion, four hundred four billion, fifty-two million, three hundred fourteen thousand, four hundred ninety-seven".