38436137799 has 16 divisors (see below), whose sum is σ = 53949732480. Its totient is φ = 24273531360.

The previous prime is 38436137749. The next prime is 38436137851. The reversal of 38436137799 is 99773163483.

It is a happy number.

It is not a de Polignac number, because 38436137799 - 2⁸ = 38436137543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38436137749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146909 + ... + 1179945.

It is an arithmetic number, because the mean of its divisors is an integer number (3371858280).

Almost surely, 2^38436137799 is an apocalyptic number.

38436137799 is a deficient number, since it is larger than the sum of its proper divisors (15513594681).

38436137799 is a wasteful number, since it uses less digits than its factorization.

38436137799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53470.

The product of its digits is 20575296, while the sum is 60.

The spelling of 38436137799 in words is "thirty-eight billion, four hundred thirty-six million, one hundred thirty-seven thousand, seven hundred ninety-nine".