2109013774 has 16 divisors (see below), whose sum is σ = 3620284416. Its totient is φ = 902655000.

The previous prime is 2109013771. The next prime is 2109013799. The reversal of 2109013774 is 4773109012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109013771) 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, 89782 + ... + 110809.

It is an arithmetic number, because the mean of its divisors is an integer number (226267776).

Almost surely, 2^2109013774 is an apocalyptic number.

2109013774 is a deficient number, since it is larger than the sum of its proper divisors (1511270642).

2109013774 is a wasteful number, since it uses less digits than its factorization.

2109013774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201351.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 2109013774 is about 45923.9999782249. Note that the first 4 decimals coincide. The cubic root of 2109013774 is about 1282.4087483887.

The spelling of 2109013774 in words is "two billion, one hundred nine million, thirteen thousand, seven hundred seventy-four".