2102656319 has 2 divisors, whose sum is σ = 2102656320. Its totient is φ = 2102656318.

The previous prime is 2102656307. The next prime is 2102656349. The reversal of 2102656319 is 9136562012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102656319 - 2²⁰ = 2101607743 is a prime.

It is a super-2 number, since 2×2102656319² = 8842327191661259522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102656349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051328159 + 1051328160.

It is an arithmetic number, because the mean of its divisors is an integer number (1051328160).

Almost surely, 2^2102656319 is an apocalyptic number.

2102656319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102656319 is an equidigital number, since it uses as much as digits as its factorization.

2102656319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2102656319 is about 45854.7306065579. The cubic root of 2102656319 is about 1281.1188782445.

The spelling of 2102656319 in words is "two billion, one hundred two million, six hundred fifty-six thousand, three hundred nineteen".