14761721489 has 2 divisors, whose sum is σ = 14761721490. Its totient is φ = 14761721488.

The previous prime is 14761721479. The next prime is 14761721521. The reversal of 14761721489 is 98412716741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14724609025 + 37112464 = 121345^2 + 6092^2 .

It is a cyclic number.

It is not a de Polignac number, because 14761721489 - 2¹² = 14761717393 is a prime.

It is not a weakly prime, because it can be changed into another prime (14761721479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7380860744 + 7380860745.

It is an arithmetic number, because the mean of its divisors is an integer number (7380860745).

Almost surely, 2^14761721489 is an apocalyptic number.

It is an amenable number.

14761721489 is a deficient number, since it is larger than the sum of its proper divisors (1).

14761721489 is an equidigital number, since it uses as much as digits as its factorization.

14761721489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 50.

The spelling of 14761721489 in words is "fourteen billion, seven hundred sixty-one million, seven hundred twenty-one thousand, four hundred eighty-nine".