2100938470418 has 16 divisors (see below), whose sum is σ = 3153999432600. Its totient is φ = 1049605478400.

The previous prime is 2100938470417. The next prime is 2100938470427. The reversal of 2100938470418 is 8140748390012.

It can be written as a sum of positive squares in 4 ways, for example, as 2025432773329 + 75505697089 = 1423177^2 + 274783^2 .

It is a super-2 number, since 2×2100938470418² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100938470417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33557408 + ... + 33619956.

Almost surely, 2^{2100938470418} is an apocalyptic number.

2100938470418 is a deficient number, since it is larger than the sum of its proper divisors (1053060962182).

2100938470418 is a wasteful number, since it uses less digits than its factorization.

2100938470418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76093.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 2100938470418 in words is "two trillion, one hundred billion, nine hundred thirty-eight million, four hundred seventy thousand, four hundred eighteen".