4192893021 has 8 divisors (see below), whose sum is σ = 5741619424. Its totient is φ = 2719714320.

The previous prime is 4192893013. The next prime is 4192893049. The reversal of 4192893021 is 1203982914.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4192893021 - 2³ = 4192893013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4192893091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18886795 + ... + 18887016.

It is an arithmetic number, because the mean of its divisors is an integer number (717702428).

Almost surely, 2^4192893021 is an apocalyptic number.

It is an amenable number.

4192893021 is a deficient number, since it is larger than the sum of its proper divisors (1548726403).

4192893021 is a wasteful number, since it uses less digits than its factorization.

4192893021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37773851.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 4192893021 is about 64752.5522354139. The cubic root of 4192893021 is about 1612.5180843354.

The spelling of 4192893021 in words is "four billion, one hundred ninety-two million, eight hundred ninety-three thousand, twenty-one".