38436673436 has 12 divisors (see below), whose sum is σ = 76873346928. Its totient is φ = 16472860032.

The previous prime is 38436673397. The next prime is 38436673441. The reversal of 38436673436 is 63437663483.

38436673436 is an admirable number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686369141 + ... + 686369196.

It is an arithmetic number, because the mean of its divisors is an integer number (6406112244).

Almost surely, 2^38436673436 is an apocalyptic number.

It is an amenable number.

38436673436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38436673436 is a wasteful number, since it uses less digits than its factorization.

38436673436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372738348 (or 1372738346 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 53.

The spelling of 38436673436 in words is "thirty-eight billion, four hundred thirty-six million, six hundred seventy-three thousand, four hundred thirty-six".