13946148779 has 2 divisors, whose sum is σ = 13946148780. Its totient is φ = 13946148778.

The previous prime is 13946148767. The next prime is 13946148803. The reversal of 13946148779 is 97784164931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13946148779 is a prime.

It is not a weakly prime, because it can be changed into another prime (13946148719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6973074389 + 6973074390.

It is an arithmetic number, because the mean of its divisors is an integer number (6973074390).

Almost surely, 2^13946148779 is an apocalyptic number.

13946148779 is a deficient number, since it is larger than the sum of its proper divisors (1).

13946148779 is an equidigital number, since it uses as much as digits as its factorization.

13946148779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 59.

The spelling of 13946148779 in words is "thirteen billion, nine hundred forty-six million, one hundred forty-eight thousand, seven hundred seventy-nine".