2135325449 has 2 divisors, whose sum is σ = 2135325450. Its totient is φ = 2135325448.

The previous prime is 2135325421. The next prime is 2135325461. The reversal of 2135325449 is 9445235312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1667252224 + 468073225 = 40832^2 + 21635^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135325449 - 2²⁰ = 2134276873 is a prime.

It is a super-2 number, since 2×2135325449² = 9119229546294103202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2135325499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067662724 + 1067662725.

It is an arithmetic number, because the mean of its divisors is an integer number (1067662725).

Almost surely, 2^2135325449 is an apocalyptic number.

It is an amenable number.

2135325449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135325449 is an equidigital number, since it uses as much as digits as its factorization.

2135325449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 2135325449 is about 46209.5817877635. The cubic root of 2135325449 is about 1287.7197561735.

The spelling of 2135325449 in words is "two billion, one hundred thirty-five million, three hundred twenty-five thousand, four hundred forty-nine".