14938513959421 has 8 divisors (see below), whose sum is σ = 16109282689920. Its totient is φ = 13770838410672.

The previous prime is 14938513959349. The next prime is 14938513959443. The reversal of 14938513959421 is 12495931583941.

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 14938513959421 - 2⁹ = 14938513958909 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 (14938513959491) 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, 773285401 + ... + 773304718.

It is an arithmetic number, because the mean of its divisors is an integer number (2013660336240).

Almost surely, 2^{14938513959421} is an apocalyptic number.

It is an amenable number.

14938513959421 is a deficient number, since it is larger than the sum of its proper divisors (1170768730499).

14938513959421 is a wasteful number, since it uses less digits than its factorization.

14938513959421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546590875.

The product of its digits is 41990400, while the sum is 64.

The spelling of 14938513959421 in words is "fourteen trillion, nine hundred thirty-eight billion, five hundred thirteen million, nine hundred fifty-nine thousand, four hundred twenty-one".