79732224449 has 2 divisors, whose sum is σ = 79732224450. Its totient is φ = 79732224448.

The previous prime is 79732224437. The next prime is 79732224463. The reversal of 79732224449 is 94442223797.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79055444224 + 676780225 = 281168^2 + 26015^2 .

It is a cyclic number.

It is not a de Polignac number, because 79732224449 - 2⁸ = 79732224193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79732224449.

It is not a weakly prime, because it can be changed into another prime (79732224049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39866112224 + 39866112225.

It is an arithmetic number, because the mean of its divisors is an integer number (39866112225).

Almost surely, 2^79732224449 is an apocalyptic number.

It is an amenable number.

79732224449 is a deficient number, since it is larger than the sum of its proper divisors (1).

79732224449 is an equidigital number, since it uses as much as digits as its factorization.

79732224449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 53.

The spelling of 79732224449 in words is "seventy-nine billion, seven hundred thirty-two million, two hundred twenty-four thousand, four hundred forty-nine".