14519765451361 has 3 divisors (see below), whose sum is σ = 14519769261843. Its totient is φ = 14519761640880.

The previous prime is 14519765451353. The next prime is 14519765451391. The reversal of 14519765451361 is 16315456791541.

The square root of 14519765451361 is 3810481.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1994961329761 + 12524804121600 = 1412431^2 + 3539040^2 .

It is not a de Polignac number, because 14519765451361 - 2³ = 14519765451353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14519765451296 and 14519765451305.

It is not an unprimeable number, because it can be changed into a prime (14519765451391) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1905241 + ... + 5715721.

It is an arithmetic number, because the mean of its divisors is an integer number (4839923087281).

Almost surely, 2^{14519765451361} is an apocalyptic number.

14519765451361 is the 3810481-st square number.

14519765451361 is the 1905241-st centered octagonal number.

It is an amenable number.

14519765451361 is a deficient number, since it is larger than the sum of its proper divisors (3810482).

14519765451361 is an frugal number, since it uses more digits than its factorization.

14519765451361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620962 (or 3810481 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 58.

The spelling of 14519765451361 in words is "fourteen trillion, five hundred nineteen billion, seven hundred sixty-five million, four hundred fifty-one thousand, three hundred sixty-one".