2100734402 has 16 divisors (see below), whose sum is σ = 3394275192. Its totient is φ = 969346560.

The previous prime is 2100734351. The next prime is 2100734413. The reversal of 2100734402 is 2044370012.

It can be written as a sum of positive squares in 4 ways, for example, as 1600720081 + 500014321 = 40009^2 + 22361^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174002 + ... + 185682.

Almost surely, 2^2100734402 is an apocalyptic number.

2100734402 is a deficient number, since it is larger than the sum of its proper divisors (1293540790).

2100734402 is a wasteful number, since it uses less digits than its factorization.

2100734402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18613.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2100734402 is about 45833.7692318666. The cubic root of 2100734402 is about 1280.7284269383.

The spelling of 2100734402 in words is "two billion, one hundred million, seven hundred thirty-four thousand, four hundred two".