279680450411 has 2 divisors, whose sum is σ = 279680450412. Its totient is φ = 279680450410.

The previous prime is 279680450393. The next prime is 279680450459. The reversal of 279680450411 is 114054086972.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-279680450411 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (279680450011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139840225205 + 139840225206.

It is an arithmetic number, because the mean of its divisors is an integer number (139840225206).

Almost surely, 2^279680450411 is an apocalyptic number.

279680450411 is a deficient number, since it is larger than the sum of its proper divisors (1).

279680450411 is an equidigital number, since it uses as much as digits as its factorization.

279680450411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 279680450411 in words is "two hundred seventy-nine billion, six hundred eighty million, four hundred fifty thousand, four hundred eleven".