2170961842 has 16 divisors (see below), whose sum is σ = 3722285952. Its totient is φ = 930252960.

The previous prime is 2170961809. The next prime is 2170961887. The reversal of 2170961842 is 2481690712.

2170961842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2170961795 and 2170961804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112603 + ... + 130465.

It is an arithmetic number, because the mean of its divisors is an integer number (232642872).

Almost surely, 2^2170961842 is an apocalyptic number.

2170961842 is a deficient number, since it is larger than the sum of its proper divisors (1551324110).

2170961842 is a wasteful number, since it uses less digits than its factorization.

2170961842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26553.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2170961842 is about 46593.5815536861. The cubic root of 2170961842 is about 1294.8438449577.

The spelling of 2170961842 in words is "two billion, one hundred seventy million, nine hundred sixty-one thousand, eight hundred forty-two".