13736494949 has 2 divisors, whose sum is σ = 13736494950. Its totient is φ = 13736494948.

The previous prime is 13736494943. The next prime is 13736494951. The reversal of 13736494949 is 94949463731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12767418049 + 969076900 = 112993^2 + 31130^2 .

It is a cyclic number.

It is not a de Polignac number, because 13736494949 - 2¹² = 13736490853 is a prime.

It is a Sophie Germain prime.

Together with 13736494951, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13736494943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6868247474 + 6868247475.

It is an arithmetic number, because the mean of its divisors is an integer number (6868247475).

Almost surely, 2^13736494949 is an apocalyptic number.

It is an amenable number.

13736494949 is a deficient number, since it is larger than the sum of its proper divisors (1).

13736494949 is an equidigital number, since it uses as much as digits as its factorization.

13736494949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17635968, while the sum is 59.

The spelling of 13736494949 in words is "thirteen billion, seven hundred thirty-six million, four hundred ninety-four thousand, nine hundred forty-nine".