2579216347 has 2 divisors, whose sum is σ = 2579216348. Its totient is φ = 2579216346.

The previous prime is 2579216309. The next prime is 2579216359. The reversal of 2579216347 is 7436129752.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2579216347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2579216297 and 2579216306.

It is not a weakly prime, because it can be changed into another prime (2579211347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289608173 + 1289608174.

It is an arithmetic number, because the mean of its divisors is an integer number (1289608174).

Almost surely, 2^2579216347 is an apocalyptic number.

2579216347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2579216347 is an equidigital number, since it uses as much as digits as its factorization.

2579216347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The square root of 2579216347 is about 50785.9857342555. The cubic root of 2579216347 is about 1371.3950920962.

The spelling of 2579216347 in words is "two billion, five hundred seventy-nine million, two hundred sixteen thousand, three hundred forty-seven".