7636404465 has 64 divisors (see below), whose sum is σ = 13804761600. Its totient is φ = 4004640000.

The previous prime is 7636404449. The next prime is 7636404467. The reversal of 7636404465 is 5644046367.

It is a happy number.

7636404465 is a `hidden beast` number, since 7 + 636 + 4 + 0 + 4 + 4 + 6 + 5 = 666.

It is not a de Polignac number, because 7636404465 - 2⁴ = 7636404449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7636404465.

It is not an unprimeable number, because it can be changed into a prime (7636404467) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2057031 + ... + 2060739.

It is an arithmetic number, because the mean of its divisors is an integer number (215699400).

Almost surely, 2^7636404465 is an apocalyptic number.

It is an amenable number.

7636404465 is a deficient number, since it is larger than the sum of its proper divisors (6168357135).

7636404465 is a wasteful number, since it uses less digits than its factorization.

7636404465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975 (or 3969 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The square root of 7636404465 is about 87386.5233602985. The cubic root of 7636404465 is about 1969.2293845770.

The spelling of 7636404465 in words is "seven billion, six hundred thirty-six million, four hundred four thousand, four hundred sixty-five".