14038080781 has 2 divisors, whose sum is σ = 14038080782. Its totient is φ = 14038080780.

The previous prime is 14038080713. The next prime is 14038080811. The reversal of 14038080781 is 18708083041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13845287556 + 192793225 = 117666^2 + 13885^2 .

It is a cyclic number.

It is not a de Polignac number, because 14038080781 - 2²⁷ = 13903863053 is a prime.

It is a super-2 number, since 2×14038080781² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14038080481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7019040390 + 7019040391.

It is an arithmetic number, because the mean of its divisors is an integer number (7019040391).

Almost surely, 2^14038080781 is an apocalyptic number.

It is an amenable number.

14038080781 is a deficient number, since it is larger than the sum of its proper divisors (1).

14038080781 is an equidigital number, since it uses as much as digits as its factorization.

14038080781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 14038080781 in words is "fourteen billion, thirty-eight million, eighty thousand, seven hundred eighty-one".