2109999974 has 16 divisors (see below), whose sum is σ = 3244461696. Its totient is φ = 1028548800.

The previous prime is 2109999973. The next prime is 2110000001. The reversal of 2109999974 is 4799999012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109999973) 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, 120284 + ... + 136704.

It is an arithmetic number, because the mean of its divisors is an integer number (202778856).

Almost surely, 2^2109999974 is an apocalyptic number.

2109999974 is a deficient number, since it is larger than the sum of its proper divisors (1134461722).

2109999974 is a wasteful number, since it uses less digits than its factorization.

2109999974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18031.

The product of its (nonzero) digits is 3306744, while the sum is 59.

The square root of 2109999974 is about 45934.7360284132. The cubic root of 2109999974 is about 1282.6086071162.

The spelling of 2109999974 in words is "two billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred seventy-four".