38477692509 has 16 divisors (see below), whose sum is σ = 57180473280. Its totient is φ = 22872188160.

The previous prime is 38477692499. The next prime is 38477692511. The reversal of 38477692509 is 90529677483.

It is not a de Polignac number, because 38477692509 - 2¹³ = 38477684317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38477692529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19853362 + ... + 19855299.

It is an arithmetic number, because the mean of its divisors is an integer number (3573779580).

Almost surely, 2^38477692509 is an apocalyptic number.

It is an amenable number.

38477692509 is a deficient number, since it is larger than the sum of its proper divisors (18702780771).

38477692509 is a wasteful number, since it uses less digits than its factorization.

38477692509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39708700.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 38477692509 in words is "thirty-eight billion, four hundred seventy-seven million, six hundred ninety-two thousand, five hundred nine".