5038405921 has 16 divisors (see below), whose sum is σ = 5683766400. Its totient is φ = 4442283648.

The previous prime is 5038405903. The next prime is 5038405937. The reversal of 5038405921 is 1295048305.

It is a cyclic number.

It is not a de Polignac number, because 5038405921 - 2¹⁹ = 5037881633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (5038405951) 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 in 15 ways as a sum of consecutive naturals, for example, 139636 + ... + 171973.

It is an arithmetic number, because the mean of its divisors is an integer number (355235400).

Almost surely, 2^5038405921 is an apocalyptic number.

It is an amenable number.

5038405921 is a deficient number, since it is larger than the sum of its proper divisors (645360479).

5038405921 is a wasteful number, since it uses less digits than its factorization.

5038405921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311688.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5038405921 is about 70981.7294872420. The cubic root of 5038405921 is about 1714.3429977231.

The spelling of 5038405921 in words is "five billion, thirty-eight million, four hundred five thousand, nine hundred twenty-one".