14009105779876 has 9 divisors (see below), whose sum is σ = 24515948214849. Its totient is φ = 7004549147064.

The previous prime is 14009105779873. The next prime is 14009105779901. The reversal of 14009105779876 is 67897750190041.

The square root of 14009105779876 is 3742874.

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

It can be written as a sum of positive squares in only one way, i.e., 552123302500 + 13456982477376 = 743050^2 + 3668376^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14009105779873) 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, 6550030 + ... + 8421466.

Almost surely, 2^{14009105779876} is an apocalyptic number.

14009105779876 is the 3742874-th square number.

It is an amenable number.

14009105779876 is a deficient number, since it is larger than the sum of its proper divisors (10506842434973).

14009105779876 is an frugal number, since it uses more digits than its factorization.

14009105779876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742878 (or 1871439 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 64.

Multiplying 14009105779876 by its sum of digits (64), we get a square (896582769912064 = 29942992²).

The spelling of 14009105779876 in words is "fourteen trillion, nine billion, one hundred five million, seven hundred seventy-nine thousand, eight hundred seventy-six".