13926453994 has 8 divisors (see below), whose sum is σ = 20897751168. Its totient is φ = 6960536940.

The previous prime is 13926453991. The next prime is 13926454007. The reversal of 13926453994 is 49935462931.

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

It is a super-2 number, since 2×13926453994² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13926453991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338552 + ... + 1348915.

It is an arithmetic number, because the mean of its divisors is an integer number (2612218896).

Almost surely, 2^13926453994 is an apocalyptic number.

13926453994 is a deficient number, since it is larger than the sum of its proper divisors (6971297174).

13926453994 is a wasteful number, since it uses less digits than its factorization.

13926453994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690060.

The product of its digits is 6298560, while the sum is 55.

The spelling of 13926453994 in words is "thirteen billion, nine hundred twenty-six million, four hundred fifty-three thousand, nine hundred ninety-four".