11439953290 has 36 divisors (see below), whose sum is σ = 20822772726. Its totient is φ = 4525246816.

The previous prime is 11439953269. The next prime is 11439953323. The reversal of 11439953290 is 9235993411.

It can be written as a sum of positive squares in 3 ways, for example, as 4423713121 + 7016240169 = 66511^2 + 83763^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11439953290.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50396157 + ... + 50396383.

Almost surely, 2^11439953290 is an apocalyptic number.

11439953290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11439953290 is a deficient number, since it is larger than the sum of its proper divisors (9382819436).

11439953290 is an frugal number, since it uses more digits than its factorization.

11439953290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 11439953290 in words is "eleven billion, four hundred thirty-nine million, nine hundred fifty-three thousand, two hundred ninety".