14988644917 has 2 divisors, whose sum is σ = 14988644918. Its totient is φ = 14988644916.

The previous prime is 14988644849. The next prime is 14988644927. The reversal of 14988644917 is 71944688941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14521696036 + 466948881 = 120506^2 + 21609^2 .

It is a cyclic number.

It is not a de Polignac number, because 14988644917 - 2²³ = 14980256309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14988644927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7494322458 + 7494322459.

It is an arithmetic number, because the mean of its divisors is an integer number (7494322459).

Almost surely, 2^14988644917 is an apocalyptic number.

It is an amenable number.

14988644917 is a deficient number, since it is larger than the sum of its proper divisors (1).

14988644917 is an equidigital number, since it uses as much as digits as its factorization.

14988644917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 61.

The spelling of 14988644917 in words is "fourteen billion, nine hundred eighty-eight million, six hundred forty-four thousand, nine hundred seventeen".