2097961892 has 24 divisors (see below), whose sum is σ = 4008020856. Its totient is φ = 955024128.

The previous prime is 2097961861. The next prime is 2097961933. The reversal of 2097961892 is 2981697902.

It can be written as a sum of positive squares in 4 ways, for example, as 6180196 + 2091781696 = 2486^2 + 45736^2 .

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, 272543 + ... + 280134.

It is an arithmetic number, because the mean of its divisors is an integer number (167000869).

Almost surely, 2^2097961892 is an apocalyptic number.

It is an amenable number.

2097961892 is a deficient number, since it is larger than the sum of its proper divisors (1910058964).

2097961892 is a wasteful number, since it uses less digits than its factorization.

2097961892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552767 (or 552765 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 2097961892 is about 45803.5139700002. The cubic root of 2097961892 is about 1280.1647517427.

The spelling of 2097961892 in words is "two billion, ninety-seven million, nine hundred sixty-one thousand, eight hundred ninety-two".