38129654775 has 24 divisors (see below), whose sum is σ = 63981948544. Its totient is φ = 20032293600.

The previous prime is 38129654767. The next prime is 38129654779. The reversal of 38129654775 is 57745692183.

It is not a de Polignac number, because 38129654775 - 2³ = 38129654767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38129654779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3788971 + ... + 3799020.

Almost surely, 2^38129654775 is an apocalyptic number.

38129654775 is a deficient number, since it is larger than the sum of its proper divisors (25852293769).

38129654775 is a wasteful number, since it uses less digits than its factorization.

38129654775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588071 (or 7588066 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 57.

The spelling of 38129654775 in words is "thirty-eight billion, one hundred twenty-nine million, six hundred fifty-four thousand, seven hundred seventy-five".