10814939842 has 24 divisors (see below), whose sum is σ = 19083015180. Its totient is φ = 4582892160.

The previous prime is 10814939803. The next prime is 10814939843. The reversal of 10814939842 is 24893941801.

It can be written as a sum of positive squares in 2 ways, for example, as 8425587681 + 2389352161 = 91791^2 + 48881^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (10814939843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611259 + ... + 628702.

Almost surely, 2^10814939842 is an apocalyptic number.

10814939842 is a deficient number, since it is larger than the sum of its proper divisors (8268075338).

10814939842 is a wasteful number, since it uses less digits than its factorization.

10814939842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240066 (or 1240059 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 10814939842 in words is "ten billion, eight hundred fourteen million, nine hundred thirty-nine thousand, eight hundred forty-two".