36401809556465 has 32 divisors (see below), whose sum is σ = 45172983363840. Its totient is φ = 28144077122304.

The previous prime is 36401809556449. The next prime is 36401809556477. The reversal of 36401809556465 is 56465590810463.

It is a cyclic number.

It is not a de Polignac number, because 36401809556465 - 2⁴ = 36401809556449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36401809556398 and 36401809556407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448042316 + ... + 448123554.

It is an arithmetic number, because the mean of its divisors is an integer number (1411655730120).

Almost surely, 2^{36401809556465} is an apocalyptic number.

It is an amenable number.

36401809556465 is a deficient number, since it is larger than the sum of its proper divisors (8771173807375).

36401809556465 is a wasteful number, since it uses less digits than its factorization.

36401809556465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106601.

The product of its (nonzero) digits is 93312000, while the sum is 62.

The spelling of 36401809556465 in words is "thirty-six trillion, four hundred one billion, eight hundred nine million, five hundred fifty-six thousand, four hundred sixty-five".