2092690881 has 24 divisors (see below), whose sum is σ = 3180211944. Its totient is φ = 1324304640.

The previous prime is 2092690879. The next prime is 2092690889. The reversal of 2092690881 is 1880962902.

It can be written as a sum of positive squares in 4 ways, for example, as 270767025 + 1821923856 = 16455^2 + 42684^2 .

It is not a de Polignac number, because 2092690881 - 2¹ = 2092690879 is a prime.

It is a super-2 number, since 2×2092690881² = 8758710246841112322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2092690889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62986 + ... + 90291.

It is an arithmetic number, because the mean of its divisors is an integer number (132508831).

Almost surely, 2^2092690881 is an apocalyptic number.

It is an amenable number.

2092690881 is a deficient number, since it is larger than the sum of its proper divisors (1087521063).

2092690881 is a wasteful number, since it uses less digits than its factorization.

2092690881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153361 (or 153358 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 2092690881 is about 45745.9384098742. The cubic root of 2092690881 is about 1279.0917386851.

The spelling of 2092690881 in words is "two billion, ninety-two million, six hundred ninety thousand, eight hundred eighty-one".