14004920893 has 4 divisors (see below), whose sum is σ = 14076012060. Its totient is φ = 13933829728.

The previous prime is 14004920873. The next prime is 14004920911. The reversal of 14004920893 is 39802940041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39802940041 = 491 ⋅81065051.

It can be written as a sum of positive squares in 2 ways, for example, as 12898826329 + 1106094564 = 113573^2 + 33258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14004920893 is a prime.

It is a super-2 number, since 2×14004920893² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14004920873) 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, 35545288 + ... + 35545681.

It is an arithmetic number, because the mean of its divisors is an integer number (3519003015).

Almost surely, 2^14004920893 is an apocalyptic number.

It is an amenable number.

14004920893 is a deficient number, since it is larger than the sum of its proper divisors (71091167).

14004920893 is an equidigital number, since it uses as much as digits as its factorization.

14004920893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71091166.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 14004920893 in words is "fourteen billion, four million, nine hundred twenty thousand, eight hundred ninety-three".