2097881963 has 2 divisors, whose sum is σ = 2097881964. Its totient is φ = 2097881962.

The previous prime is 2097881921. The next prime is 2097881971. The reversal of 2097881963 is 3691887902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2097881963 - 2⁶ = 2097881899 is a prime.

It is a super-2 number, since 2×2097881963² = 8802217461361466738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2097881983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048940981 + 1048940982.

It is an arithmetic number, because the mean of its divisors is an integer number (1048940982).

Almost surely, 2^2097881963 is an apocalyptic number.

2097881963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097881963 is an equidigital number, since it uses as much as digits as its factorization.

2097881963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 2097881963 is about 45802.6414412968. The cubic root of 2097881963 is about 1280.1484941249.

The spelling of 2097881963 in words is "two billion, ninety-seven million, eight hundred eighty-one thousand, nine hundred sixty-three".