13694492243 has 2 divisors, whose sum is σ = 13694492244. Its totient is φ = 13694492242.

The previous prime is 13694492221. The next prime is 13694492249. The reversal of 13694492243 is 34229449631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13694492243 - 2²² = 13690297939 is a prime.

It is not a weakly prime, because it can be changed into another prime (13694492249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6847246121 + 6847246122.

It is an arithmetic number, because the mean of its divisors is an integer number (6847246122).

Almost surely, 2^13694492243 is an apocalyptic number.

13694492243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13694492243 is an equidigital number, since it uses as much as digits as its factorization.

13694492243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 47.

The spelling of 13694492243 in words is "thirteen billion, six hundred ninety-four million, four hundred ninety-two thousand, two hundred forty-three".