14372537778769 has 9 divisors (see below), whose sum is σ = 15024691136329. Its totient is φ = 13747561427380.

The previous prime is 14372537778749. The next prime is 14372537778773. The reversal of 14372537778769 is 96787773527341.

It is a happy number.

The square root of 14372537778769 is 3791113.

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

It is not a de Polignac number, because 14372537778769 - 2¹¹ = 14372537776721 is a prime.

It is a super-2 number, since 2×14372537778769² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14372537778695 and 14372537778704.

It is not an unprimeable number, because it can be changed into a prime (14372537778749) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 87113184 + ... + 87278014.

Almost surely, 2^{14372537778769} is an apocalyptic number.

14372537778769 is the 3791113-rd square number.

14372537778769 is the 1895557-th centered octagonal number.

It is an amenable number.

14372537778769 is a deficient number, since it is larger than the sum of its proper divisors (652153357560).

14372537778769 is an frugal number, since it uses more digits than its factorization.

14372537778769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329708 (or 164854 counting only the distinct ones).

The product of its digits is 2613824640, while the sum is 76.

The spelling of 14372537778769 in words is "fourteen trillion, three hundred seventy-two billion, five hundred thirty-seven million, seven hundred seventy-eight thousand, seven hundred sixty-nine".