13949831183479 has 2 divisors, whose sum is σ = 13949831183480. Its totient is φ = 13949831183478.

The previous prime is 13949831183381. The next prime is 13949831183489. The reversal of 13949831183479 is 97438113894931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13949831183479 - 2²¹ = 13949829086327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13949831183489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6974915591739 + 6974915591740.

It is an arithmetic number, because the mean of its divisors is an integer number (6974915591740).

Almost surely, 2^{13949831183479} is an apocalyptic number.

13949831183479 is a deficient number, since it is larger than the sum of its proper divisors (1).

13949831183479 is an equidigital number, since it uses as much as digits as its factorization.

13949831183479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141087744, while the sum is 70.

The spelling of 13949831183479 in words is "thirteen trillion, nine hundred forty-nine billion, eight hundred thirty-one million, one hundred eighty-three thousand, four hundred seventy-nine".