4915188438 has 16 divisors (see below), whose sum is σ = 9871511040. Its totient is φ = 1631540456.

The previous prime is 4915188379. The next prime is 4915188449. The reversal of 4915188438 is 8348815194.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1712370 + ... + 1715237.

It is an arithmetic number, because the mean of its divisors is an integer number (616969440).

Almost surely, 2^4915188438 is an apocalyptic number.

4915188438 is an abundant number, since it is smaller than the sum of its proper divisors (4956322602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4915188438 is a wasteful number, since it uses less digits than its factorization.

4915188438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427851.

The product of its digits is 1105920, while the sum is 51.

The square root of 4915188438 is about 70108.4049026934. The cubic root of 4915188438 is about 1700.2523775251.

The spelling of 4915188438 in words is "four billion, nine hundred fifteen million, one hundred eighty-eight thousand, four hundred thirty-eight".