1913284239 has 8 divisors (see below), whose sum is σ = 2551423920. Its totient is φ = 1275333696.

The previous prime is 1913284223. The next prime is 1913284267. The reversal of 1913284239 is 9324823191.

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

It is not a de Polignac number, because 1913284239 - 2⁴ = 1913284223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1913284239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913286239) 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, 21702 + ... + 65555.

It is an arithmetic number, because the mean of its divisors is an integer number (318927990).

Almost surely, 2^1913284239 is an apocalyptic number.

1913284239 is a deficient number, since it is larger than the sum of its proper divisors (638139681).

1913284239 is an equidigital number, since it uses as much as digits as its factorization.

1913284239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94569.

The product of its digits is 93312, while the sum is 42.

The square root of 1913284239 is about 43741.1046842669. The cubic root of 1913284239 is about 1241.4421823642.

The spelling of 1913284239 in words is "one billion, nine hundred thirteen million, two hundred eighty-four thousand, two hundred thirty-nine".