2452391099 has 4 divisors (see below), whose sum is σ = 2452493064. Its totient is φ = 2452289136.

The previous prime is 2452391089. The next prime is 2452391129. The reversal of 2452391099 is 9901932542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9901932542 = 2 ⋅4950966271.

It is a cyclic number.

It is not a de Polignac number, because 2452391099 - 2²⁴ = 2435613883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2452391089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7319 + ... + 70415.

It is an arithmetic number, because the mean of its divisors is an integer number (613123266).

Almost surely, 2^2452391099 is an apocalyptic number.

2452391099 is a deficient number, since it is larger than the sum of its proper divisors (101965).

2452391099 is an equidigital number, since it uses as much as digits as its factorization.

2452391099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101964.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 2452391099 is about 49521.6225400582. The cubic root of 2452391099 is about 1348.5381705524.

The spelling of 2452391099 in words is "two billion, four hundred fifty-two million, three hundred ninety-one thousand, ninety-nine".