446269819979 has 2 divisors, whose sum is σ = 446269819980. Its totient is φ = 446269819978.

The previous prime is 446269819951. The next prime is 446269819981. The reversal of 446269819979 is 979918962644.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446269819979 is a prime.

Together with 446269819981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (446269819939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223134909989 + 223134909990.

It is an arithmetic number, because the mean of its divisors is an integer number (223134909990).

Almost surely, 2^446269819979 is an apocalyptic number.

446269819979 is a deficient number, since it is larger than the sum of its proper divisors (1).

446269819979 is an equidigital number, since it uses as much as digits as its factorization.

446269819979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423263232, while the sum is 74.

The spelling of 446269819979 in words is "four hundred forty-six billion, two hundred sixty-nine million, eight hundred nineteen thousand, nine hundred seventy-nine".