2153208919 has 2 divisors, whose sum is σ = 2153208920. Its totient is φ = 2153208918.

The previous prime is 2153208851. The next prime is 2153208929. The reversal of 2153208919 is 9198023512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2153208919 - 2¹¹ = 2153206871 is a prime.

It is a super-2 number, since 2×2153208919² = 9272617297722297122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153208929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076604459 + 1076604460.

It is an arithmetic number, because the mean of its divisors is an integer number (1076604460).

Almost surely, 2^2153208919 is an apocalyptic number.

2153208919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153208919 is an equidigital number, since it uses as much as digits as its factorization.

2153208919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 2153208919 is about 46402.6822392844. The cubic root of 2153208919 is about 1291.3046750704.

The spelling of 2153208919 in words is "two billion, one hundred fifty-three million, two hundred eight thousand, nine hundred nineteen".