2153952859 has 2 divisors, whose sum is σ = 2153952860. Its totient is φ = 2153952858.

The previous prime is 2153952839. The next prime is 2153952869. The reversal of 2153952859 is 9582593512.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153952859 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153952809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076976429 + 1076976430.

It is an arithmetic number, because the mean of its divisors is an integer number (1076976430).

Almost surely, 2^2153952859 is an apocalyptic number.

2153952859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153952859 is an equidigital number, since it uses as much as digits as its factorization.

2153952859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 49.

The square root of 2153952859 is about 46410.6976784448. The cubic root of 2153952859 is about 1291.4533744645.

The spelling of 2153952859 in words is "two billion, one hundred fifty-three million, nine hundred fifty-two thousand, eight hundred fifty-nine".