14837819256121 has 3 divisors (see below), whose sum is σ = 14837823108111. Its totient is φ = 14837815404132.

The previous prime is 14837819256083. The next prime is 14837819256137. The reversal of 14837819256121 is 12165291873841.

It is a happy number.

The square root of 14837819256121 is 3851989.

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., 14558337860521 + 279481395600 = 3815539^2 + 528660^2 .

It is not a de Polignac number, because 14837819256121 - 2¹⁹ = 14837818731833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14837819256721) 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, 1925995 + ... + 5777983.

It is an arithmetic number, because the mean of its divisors is an integer number (4945941036037).

Almost surely, 2^{14837819256121} is an apocalyptic number.

14837819256121 is the 3851989-th square number.

14837819256121 is the 1925995-th centered octagonal number.

It is an amenable number.

14837819256121 is a deficient number, since it is larger than the sum of its proper divisors (3851990).

14837819256121 is an frugal number, since it uses more digits than its factorization.

14837819256121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703978 (or 3851989 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 58.

The spelling of 14837819256121 in words is "fourteen trillion, eight hundred thirty-seven billion, eight hundred nineteen million, two hundred fifty-six thousand, one hundred twenty-one".