13912398047 has 4 divisors (see below), whose sum is σ = 13956286056. Its totient is φ = 13868510040.

The previous prime is 13912398041. The next prime is 13912398077. The reversal of 13912398047 is 74089321931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74089321931 = 2311 ⋅32059421.

It is a cyclic number.

It is not a de Polignac number, because 13912398047 - 2²⁰ = 13911349471 is a prime.

It is a super-3 number, since 3×13912398047³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13912397992 and 13912398010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13912398041) 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, 21943529 + ... + 21944162.

It is an arithmetic number, because the mean of its divisors is an integer number (3489071514).

Almost surely, 2^13912398047 is an apocalyptic number.

13912398047 is a deficient number, since it is larger than the sum of its proper divisors (43888009).

13912398047 is an equidigital number, since it uses as much as digits as its factorization.

13912398047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43888008.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 13912398047 in words is "thirteen billion, nine hundred twelve million, three hundred ninety-eight thousand, forty-seven".