2405487974399 has 2 divisors, whose sum is σ = 2405487974400. Its totient is φ = 2405487974398.

The previous prime is 2405487974381. The next prime is 2405487974473. The reversal of 2405487974399 is 9934797845042.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2405487974399 is a prime.

It is a super-2 number, since 2×2405487974399² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2405487971399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202743987199 + 1202743987200.

It is an arithmetic number, because the mean of its divisors is an integer number (1202743987200).

Almost surely, 2^{2405487974399} is an apocalyptic number.

2405487974399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405487974399 is an equidigital number, since it uses as much as digits as its factorization.

2405487974399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 548674560, while the sum is 71.

The spelling of 2405487974399 in words is "two trillion, four hundred five billion, four hundred eighty-seven million, nine hundred seventy-four thousand, three hundred ninety-nine".