2153208851 has 2 divisors, whose sum is σ = 2153208852. Its totient is φ = 2153208850.

The previous prime is 2153208847. The next prime is 2153208919. The reversal of 2153208851 is 1588023512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2153208851 - 2² = 2153208847 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153208751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076604425 + 1076604426.

It is an arithmetic number, because the mean of its divisors is an integer number (1076604426).

Almost surely, 2^2153208851 is an apocalyptic number.

2153208851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153208851 is an equidigital number, since it uses as much as digits as its factorization.

2153208851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 2153208851 is about 46402.6815065681. The cubic root of 2153208851 is about 1291.3046614770.

The spelling of 2153208851 in words is "two billion, one hundred fifty-three million, two hundred eight thousand, eight hundred fifty-one".