2039393919 has 32 divisors (see below), whose sum is σ = 2808218304. Its totient is φ = 1316044800.

The previous prime is 2039393903. The next prime is 2039393929. The reversal of 2039393919 is 9193939302.

It is a happy number.

It is not a de Polignac number, because 2039393919 - 2⁴ = 2039393903 is a prime.

It is a super-2 number, since 2×2039393919² = 8318255113708357122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039393929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3029967 + ... + 3030639.

It is an arithmetic number, because the mean of its divisors is an integer number (87756822).

Almost surely, 2^2039393919 is an apocalyptic number.

2039393919 is a deficient number, since it is larger than the sum of its proper divisors (768824385).

2039393919 is a wasteful number, since it uses less digits than its factorization.

2039393919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 354294, while the sum is 48.

The square root of 2039393919 is about 45159.6492346874. The cubic root of 2039393919 is about 1268.1395287337.

The spelling of 2039393919 in words is "two billion, thirty-nine million, three hundred ninety-three thousand, nine hundred nineteen".