38819995671 has 8 divisors (see below), whose sum is σ = 52963715200. Its totient is φ = 25278136632.

The previous prime is 38819995663. The next prime is 38819995679. The reversal of 38819995671 is 17659991883.

It is an interprime number because it is at equal distance from previous prime (38819995663) and next prime (38819995679).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38819995671 - 2³ = 38819995663 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 (38819995679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150464971 + ... + 150465228.

It is an arithmetic number, because the mean of its divisors is an integer number (6620464400).

Almost surely, 2^38819995671 is an apocalyptic number.

38819995671 is a deficient number, since it is larger than the sum of its proper divisors (14143719529).

38819995671 is a wasteful number, since it uses less digits than its factorization.

38819995671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300930245.

The product of its digits is 29393280, while the sum is 66.

The spelling of 38819995671 in words is "thirty-eight billion, eight hundred nineteen million, nine hundred ninety-five thousand, six hundred seventy-one".