2405698665131 has 2 divisors, whose sum is σ = 2405698665132. Its totient is φ = 2405698665130.

The previous prime is 2405698665119. The next prime is 2405698665133. The reversal of 2405698665131 is 1315668965042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2405698665131 - 2¹⁴ = 2405698648747 is a prime.

It is a super-2 number, since 2×2405698665131² (a number of 26 digits) contains 22 as substring.

Together with 2405698665133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2405698665133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202849332565 + 1202849332566.

It is an arithmetic number, because the mean of its divisors is an integer number (1202849332566).

Almost surely, 2^{2405698665131} is an apocalyptic number.

2405698665131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405698665131 is an equidigital number, since it uses as much as digits as its factorization.

2405698665131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 2405698665131 in words is "two trillion, four hundred five billion, six hundred ninety-eight million, six hundred sixty-five thousand, one hundred thirty-one".