14881399079389 has 2 divisors, whose sum is σ = 14881399079390. Its totient is φ = 14881399079388.

The previous prime is 14881399079353. The next prime is 14881399079399. The reversal of 14881399079389 is 98397099318841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13683096670489 + 1198302408900 = 3699067^2 + 1094670^2 .

It is a cyclic number.

It is not a de Polignac number, because 14881399079389 - 2²¹ = 14881396982237 is a prime.

It is a super-2 number, since 2×14881399079389² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14881399079399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7440699539694 + 7440699539695.

It is an arithmetic number, because the mean of its divisors is an integer number (7440699539695).

Almost surely, 2^{14881399079389} is an apocalyptic number.

It is an amenable number.

14881399079389 is a deficient number, since it is larger than the sum of its proper divisors (1).

14881399079389 is an equidigital number, since it uses as much as digits as its factorization.

14881399079389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846526464, while the sum is 79.

The spelling of 14881399079389 in words is "fourteen trillion, eight hundred eighty-one billion, three hundred ninety-nine million, seventy-nine thousand, three hundred eighty-nine".