3942556219 has 16 divisors (see below), whose sum is σ = 4632883200. Its totient is φ = 3353499240.

The previous prime is 3942556199. The next prime is 3942556229. The reversal of 3942556219 is 9126552493.

It is not a de Polignac number, because 3942556219 - 2¹⁵ = 3942523451 is a prime.

It is a super-2 number, since 2×3942556219² = 31087499079951151922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3942556229) 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, 1062 + ... + 88804.

It is an arithmetic number, because the mean of its divisors is an integer number (289555200).

Almost surely, 2^3942556219 is an apocalyptic number.

3942556219 is a deficient number, since it is larger than the sum of its proper divisors (690326981).

3942556219 is an equidigital number, since it uses as much as digits as its factorization.

3942556219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87895 (or 87881 counting only the distinct ones).

The product of its digits is 583200, while the sum is 46.

The square root of 3942556219 is about 62789.7779817702. Note that the first 3 decimals coincide. The cubic root of 3942556219 is about 1579.7655234753.

The spelling of 3942556219 in words is "three billion, nine hundred forty-two million, five hundred fifty-six thousand, two hundred nineteen".