38195647472 has 10 divisors (see below), whose sum is σ = 74004067008. Its totient is φ = 19097823728.

The previous prime is 38195647471. The next prime is 38195647493. The reversal of 38195647472 is 27474659183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38195647471) 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 as a sum of consecutive naturals, namely, 1193613968 + ... + 1193613999.

Almost surely, 2^38195647472 is an apocalyptic number.

It is an amenable number.

38195647472 is a deficient number, since it is larger than the sum of its proper divisors (35808419536).

38195647472 is a wasteful number, since it uses less digits than its factorization.

38195647472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387227975 (or 2387227969 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The spelling of 38195647472 in words is "thirty-eight billion, one hundred ninety-five million, six hundred forty-seven thousand, four hundred seventy-two".