2454288891 has 4 divisors (see below), whose sum is σ = 3272385192. Its totient is φ = 1636192592.

The previous prime is 2454288887. The next prime is 2454288901. The reversal of 2454288891 is 1988824542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2454288891 - 2² = 2454288887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2454288871) 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, 409048146 + ... + 409048151.

It is an arithmetic number, because the mean of its divisors is an integer number (818096298).

Almost surely, 2^2454288891 is an apocalyptic number.

2454288891 is a deficient number, since it is larger than the sum of its proper divisors (818096301).

2454288891 is an equidigital number, since it uses as much as digits as its factorization.

2454288891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818096300.

The product of its digits is 1474560, while the sum is 51.

The square root of 2454288891 is about 49540.7800806568. The cubic root of 2454288891 is about 1348.8859379587.

The spelling of 2454288891 in words is "two billion, four hundred fifty-four million, two hundred eighty-eight thousand, eight hundred ninety-one".