4172528994 has 64 divisors (see below), whose sum is σ = 9169459200. Its totient is φ = 1260483840.

The previous prime is 4172528981. The next prime is 4172529007. The reversal of 4172528994 is 4998252714.

It is an interprime number because it is at equal distance from previous prime (4172528981) and next prime (4172529007).

It is a Harshad number since it is a multiple of its sum of digits (51).

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 31 ways as a sum of consecutive naturals, for example, 304707 + ... + 318105.

It is an arithmetic number, because the mean of its divisors is an integer number (143272800).

Almost surely, 2^4172528994 is an apocalyptic number.

4172528994 is an abundant number, since it is smaller than the sum of its proper divisors (4996930206).

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

4172528994 is a wasteful number, since it uses less digits than its factorization.

4172528994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535.

The product of its digits is 1451520, while the sum is 51.

The square root of 4172528994 is about 64595.1158679973. The cubic root of 4172528994 is about 1609.9032893312.

The spelling of 4172528994 in words is "four billion, one hundred seventy-two million, five hundred twenty-eight thousand, nine hundred ninety-four".