38909955496 has 8 divisors (see below), whose sum is σ = 72956166570. Its totient is φ = 19454977744.

The previous prime is 38909955451. The next prime is 38909955499. The reversal of 38909955496 is 69455990983.

38909955496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28286530596 + 10623424900 = 168186^2 + 103070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (38909955499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2431872211 + ... + 2431872226.

Almost surely, 2^38909955496 is an apocalyptic number.

It is an amenable number.

38909955496 is a deficient number, since it is larger than the sum of its proper divisors (34046211074).

38909955496 is a wasteful number, since it uses less digits than its factorization.

38909955496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863744443 (or 4863744439 counting only the distinct ones).

The product of its (nonzero) digits is 94478400, while the sum is 67.

The spelling of 38909955496 in words is "thirty-eight billion, nine hundred nine million, nine hundred fifty-five thousand, four hundred ninety-six".