365638485494 has 8 divisors (see below), whose sum is σ = 557753622120. Its totient is φ = 179720611456.

The previous prime is 365638485493. The next prime is 365638485551. The reversal of 365638485494 is 494584836563.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 365638485494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365638485493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1549315499 + ... + 1549315734.

It is an arithmetic number, because the mean of its divisors is an integer number (69719202765).

Almost surely, 2^365638485494 is an apocalyptic number.

365638485494 is a deficient number, since it is larger than the sum of its proper divisors (192115136626).

365638485494 is a wasteful number, since it uses less digits than its factorization.

365638485494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098631294.

The product of its digits is 298598400, while the sum is 65.

The spelling of 365638485494 in words is "three hundred sixty-five billion, six hundred thirty-eight million, four hundred eighty-five thousand, four hundred ninety-four".