4398497879 has 2 divisors, whose sum is σ = 4398497880. Its totient is φ = 4398497878.

The previous prime is 4398497861. The next prime is 4398497881. The reversal of 4398497879 is 9787948934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4398497879 - 2²⁸ = 4130062423 is a prime.

It is a Sophie Germain prime.

Together with 4398497881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4398497479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199248939 + 2199248940.

It is an arithmetic number, because the mean of its divisors is an integer number (2199248940).

Almost surely, 2^4398497879 is an apocalyptic number.

4398497879 is a deficient number, since it is larger than the sum of its proper divisors (1).

4398497879 is an equidigital number, since it uses as much as digits as its factorization.

4398497879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109734912, while the sum is 68.

The square root of 4398497879 is about 66321.1721775181. The cubic root of 4398497879 is about 1638.4560472975.

The spelling of 4398497879 in words is "four billion, three hundred ninety-eight million, four hundred ninety-seven thousand, eight hundred seventy-nine".