334987989396481 has 4 divisors (see below), whose sum is σ = 346539299375700. Its totient is φ = 323436679417264.

The previous prime is 334987989396461. The next prime is 334987989396503. The reversal of 334987989396481 is 184693989789433.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67518842490225 + 267469146906256 = 8216985^2 + 16354484^2 .

It is a cyclic number.

It is not a de Polignac number, because 334987989396481 - 2⁴³ = 326191896374273 is a prime.

It is a super-2 number, since 2×334987989396481² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334987989396461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5775654989566 + ... + 5775654989623.

It is an arithmetic number, because the mean of its divisors is an integer number (86634824843925).

Almost surely, 2^{334987989396481} is an apocalyptic number.

It is an amenable number.

334987989396481 is a deficient number, since it is larger than the sum of its proper divisors (11551309979219).

334987989396481 is a wasteful number, since it uses less digits than its factorization.

334987989396481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551309979218.

The product of its digits is 60949905408, while the sum is 91.

The spelling of 334987989396481 in words is "three hundred thirty-four trillion, nine hundred eighty-seven billion, nine hundred eighty-nine million, three hundred ninety-six thousand, four hundred eighty-one".