4179249081 has 16 divisors (see below), whose sum is σ = 7075977600. Its totient is φ = 2388142224.

The previous prime is 4179249059. The next prime is 4179249083. The reversal of 4179249081 is 1809429714.

It is a happy number.

It is not a de Polignac number, because 4179249081 - 2¹³ = 4179240889 is a prime.

It is a super-2 number, since 2×4179249081² = 34932245762078689122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4179249083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11056026 + ... + 11056403.

It is an arithmetic number, because the mean of its divisors is an integer number (442248600).

Almost surely, 2^4179249081 is an apocalyptic number.

It is an amenable number.

4179249081 is a deficient number, since it is larger than the sum of its proper divisors (2896728519).

4179249081 is a wasteful number, since it uses less digits than its factorization.

4179249081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22112445 (or 22112439 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4179249081 is about 64647.1119308512. Note that the first 3 decimals coincide. The cubic root of 4179249081 is about 1610.7671049644.

The spelling of 4179249081 in words is "four billion, one hundred seventy-nine million, two hundred forty-nine thousand, eighty-one".