3919421292 has 12 divisors (see below), whose sum is σ = 9145316376. Its totient is φ = 1306473760.

The previous prime is 3919421279. The next prime is 3919421347. The reversal of 3919421292 is 2921249193.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163309209 + ... + 163309232.

It is an arithmetic number, because the mean of its divisors is an integer number (762109698).

Almost surely, 2^3919421292 is an apocalyptic number.

It is an amenable number.

3919421292 is an abundant number, since it is smaller than the sum of its proper divisors (5225895084).

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

3919421292 is a wasteful number, since it uses less digits than its factorization.

3919421292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326618448 (or 326618446 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 3919421292 is about 62605.2816621729. The cubic root of 3919421292 is about 1576.6694372955.

The spelling of 3919421292 in words is "three billion, nine hundred nineteen million, four hundred twenty-one thousand, two hundred ninety-two".