38813561603 has 8 divisors (see below), whose sum is σ = 39550297248. Its totient is φ = 38076989184.

The previous prime is 38813561569. The next prime is 38813561609. The reversal of 38813561603 is 30616531883.

38813561603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 38813561603 - 2⁶ = 38813561539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38813561609) 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, 508826 + ... + 580112.

It is an arithmetic number, because the mean of its divisors is an integer number (4943787156).

Almost surely, 2^38813561603 is an apocalyptic number.

38813561603 is a deficient number, since it is larger than the sum of its proper divisors (736735645).

38813561603 is a wasteful number, since it uses less digits than its factorization.

38813561603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81613.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 38813561603 in words is "thirty-eight billion, eight hundred thirteen million, five hundred sixty-one thousand, six hundred three".