38149816319 has 4 divisors (see below), whose sum is σ = 38150247480. Its totient is φ = 38149385160.

The previous prime is 38149816307. The next prime is 38149816321. The reversal of 38149816319 is 91361894183.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38149816319 - 2¹² = 38149812223 is a prime.

It is a super-2 number, since 2×38149816319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38149816219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29072 + ... + 277749.

It is an arithmetic number, because the mean of its divisors is an integer number (9537561870).

Almost surely, 2^38149816319 is an apocalyptic number.

38149816319 is a deficient number, since it is larger than the sum of its proper divisors (431161).

38149816319 is a wasteful number, since it uses less digits than its factorization.

38149816319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431160.

The product of its digits is 1119744, while the sum is 53.

The spelling of 38149816319 in words is "thirty-eight billion, one hundred forty-nine million, eight hundred sixteen thousand, three hundred nineteen".