13916254416949 has 8 divisors (see below), whose sum is σ = 14763139503768. Its totient is φ = 13072511761920.

The previous prime is 13916254416937. The next prime is 13916254416973. The reversal of 13916254416949 is 94961445261931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3540079880100 + 10376174536849 = 1881510^2 + 3221207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13916254416949 - 2¹⁵ = 13916254384181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13916254416979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785598822 + ... + 785616535.

It is an arithmetic number, because the mean of its divisors is an integer number (1845392437971).

Almost surely, 2^{13916254416949} is an apocalyptic number.

It is an amenable number.

13916254416949 is a deficient number, since it is larger than the sum of its proper divisors (846885086819).

13916254416949 is a wasteful number, since it uses less digits than its factorization.

13916254416949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571215895.

The product of its digits is 50388480, while the sum is 64.

The spelling of 13916254416949 in words is "thirteen trillion, nine hundred sixteen billion, two hundred fifty-four million, four hundred sixteen thousand, nine hundred forty-nine".