13418939049 has 16 divisors (see below), whose sum is σ = 18068813952. Its totient is φ = 8857675008.

The previous prime is 13418939047. The next prime is 13418939057. The reversal of 13418939049 is 94093981431.

It is not a de Polignac number, because 13418939049 - 2¹ = 13418939047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13418938992 and 13418939010.

It is not an unprimeable number, because it can be changed into a prime (13418939047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318132 + ... + 357834.

It is an arithmetic number, because the mean of its divisors is an integer number (1129300872).

Almost surely, 2^13418939049 is an apocalyptic number.

It is an amenable number.

13418939049 is a deficient number, since it is larger than the sum of its proper divisors (4649874903).

13418939049 is a wasteful number, since it uses less digits than its factorization.

13418939049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40816.

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 13418939049 in words is "thirteen billion, four hundred eighteen million, nine hundred thirty-nine thousand, forty-nine".