38190039507 has 6 divisors (see below), whose sum is σ = 55163390412. Its totient is φ = 25460026332.

The previous prime is 38190039493. The next prime is 38190039533. The reversal of 38190039507 is 70593009183.

It is a happy number.

It is not a de Polignac number, because 38190039507 - 2⁶ = 38190039443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38190039607) 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 5 ways as a sum of consecutive naturals, for example, 2121668853 + ... + 2121668870.

It is an arithmetic number, because the mean of its divisors is an integer number (9193898402).

Almost surely, 2^38190039507 is an apocalyptic number.

38190039507 is a deficient number, since it is larger than the sum of its proper divisors (16973350905).

38190039507 is a wasteful number, since it uses less digits than its factorization.

38190039507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243337729 (or 4243337726 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 38190039507 in words is "thirty-eight billion, one hundred ninety million, thirty-nine thousand, five hundred seven".