14138489797 has 2 divisors, whose sum is σ = 14138489798. Its totient is φ = 14138489796.

The previous prime is 14138489767. The next prime is 14138489821. The reversal of 14138489797 is 79798483141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11834393796 + 2304096001 = 108786^2 + 48001^2 .

It is a cyclic number.

It is not a de Polignac number, because 14138489797 - 2¹⁹ = 14137965509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14138489767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7069244898 + 7069244899.

It is an arithmetic number, because the mean of its divisors is an integer number (7069244899).

Almost surely, 2^14138489797 is an apocalyptic number.

It is an amenable number.

14138489797 is a deficient number, since it is larger than the sum of its proper divisors (1).

14138489797 is an equidigital number, since it uses as much as digits as its factorization.

14138489797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 61.

The spelling of 14138489797 in words is "fourteen billion, one hundred thirty-eight million, four hundred eighty-nine thousand, seven hundred ninety-seven".