2172317843602 has 32 divisors (see below), whose sum is σ = 3298503564720. Its totient is φ = 1072902205440.

The previous prime is 2172317843581. The next prime is 2172317843659. The reversal of 2172317843602 is 2063487132712.

It can be written as a sum of positive squares in 8 ways, for example, as 20730528361 + 2151587315241 = 143981^2 + 1466829^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234662958 + ... + 234672214.

Almost surely, 2^{2172317843602} is an apocalyptic number.

2172317843602 is a deficient number, since it is larger than the sum of its proper divisors (1126185721118).

2172317843602 is a wasteful number, since it uses less digits than its factorization.

2172317843602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13726.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 2172317843602 in words is "two trillion, one hundred seventy-two billion, three hundred seventeen million, eight hundred forty-three thousand, six hundred two".