2097419881 has 2 divisors, whose sum is σ = 2097419882. Its totient is φ = 2097419880.

The previous prime is 2097419873. The next prime is 2097419911. The reversal of 2097419881 is 1889147902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2075713600 + 21706281 = 45560^2 + 4659^2 .

It is a cyclic number.

It is not a de Polignac number, because 2097419881 - 2³ = 2097419873 is a prime.

It is a super-2 number, since 2×2097419881² = 8798340314428108322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2097419281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048709940 + 1048709941.

It is an arithmetic number, because the mean of its divisors is an integer number (1048709941).

Almost surely, 2^2097419881 is an apocalyptic number.

It is an amenable number.

2097419881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097419881 is an equidigital number, since it uses as much as digits as its factorization.

2097419881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 49.

The square root of 2097419881 is about 45797.5968911034. The cubic root of 2097419881 is about 1280.0544982086.

The spelling of 2097419881 in words is "two billion, ninety-seven million, four hundred nineteen thousand, eight hundred eighty-one".