13404135963405 has 64 divisors (see below), whose sum is σ = 24220874430720. Its totient is φ = 6270258892800.

The previous prime is 13404135963371. The next prime is 13404135963419. The reversal of 13404135963405 is 50436953140431.

It is not a de Polignac number, because 13404135963405 - 2⁸ = 13404135963149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5483259 + ... + 7541511.

It is an arithmetic number, because the mean of its divisors is an integer number (378451162980).

Almost surely, 2^{13404135963405} is an apocalyptic number.

13404135963405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13404135963405 is a deficient number, since it is larger than the sum of its proper divisors (10816738467315).

13404135963405 is a wasteful number, since it uses less digits than its factorization.

13404135963405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059662.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 13404135963405 in words is "thirteen trillion, four hundred four billion, one hundred thirty-five million, nine hundred sixty-three thousand, four hundred five".