5108738491 has 4 divisors (see below), whose sum is σ = 5123211192. Its totient is φ = 5094265792.

The previous prime is 5108738489. The next prime is 5108738567. The reversal of 5108738491 is 1948378015.

It is a happy number.

5108738491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5108738491 - 2¹ = 5108738489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5108738291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7235821 + ... + 7236526.

It is an arithmetic number, because the mean of its divisors is an integer number (1280802798).

Almost surely, 2^5108738491 is an apocalyptic number.

5108738491 is a deficient number, since it is larger than the sum of its proper divisors (14472701).

5108738491 is a wasteful number, since it uses less digits than its factorization.

5108738491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14472700.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 5108738491 is about 71475.4397747926. The cubic root of 5108738491 is about 1722.2831689133.

The spelling of 5108738491 in words is "five billion, one hundred eight million, seven hundred thirty-eight thousand, four hundred ninety-one".