4002409893 has 4 divisors (see below), whose sum is σ = 5336546528. Its totient is φ = 2668273260.

The previous prime is 4002409871. The next prime is 4002409903. The reversal of 4002409893 is 3989042004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4002409893 - 2⁵ = 4002409861 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 (4002409813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667068313 + ... + 667068318.

It is an arithmetic number, because the mean of its divisors is an integer number (1334136632).

Almost surely, 2^4002409893 is an apocalyptic number.

It is an amenable number.

4002409893 is a deficient number, since it is larger than the sum of its proper divisors (1334136635).

4002409893 is a wasteful number, since it uses less digits than its factorization.

4002409893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334136634.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 4002409893 is about 63264.6022116634. The cubic root of 4002409893 is about 1587.7197768593.

The spelling of 4002409893 in words is "four billion, two million, four hundred nine thousand, eight hundred ninety-three".