2239516451 has 2 divisors, whose sum is σ = 2239516452. Its totient is φ = 2239516450.

The previous prime is 2239516381. The next prime is 2239516459. The reversal of 2239516451 is 1546159322.

2239516451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2239516451 - 2²² = 2235322147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2239516459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119758225 + 1119758226.

It is an arithmetic number, because the mean of its divisors is an integer number (1119758226).

Almost surely, 2^2239516451 is an apocalyptic number.

2239516451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239516451 is an equidigital number, since it uses as much as digits as its factorization.

2239516451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 2239516451 is about 47323.5295703945. The cubic root of 2239516451 is about 1308.3323672497.

The spelling of 2239516451 in words is "two billion, two hundred thirty-nine million, five hundred sixteen thousand, four hundred fifty-one".