334987989396479 has 4 divisors (see below), whose sum is σ = 352618936206840. Its totient is φ = 317357042586120.

The previous prime is 334987989396461. The next prime is 334987989396503. The reversal of 334987989396479 is 974693989789433.

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

It is a cyclic number.

It is not a de Polignac number, because 334987989396479 - 2³² = 334983694429183 is a prime.

It is a super-2 number, since 2×334987989396479² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334987989396409) 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, 8815473405152 + ... + 8815473405189.

It is an arithmetic number, because the mean of its divisors is an integer number (88154734051710).

Almost surely, 2^{334987989396479} is an apocalyptic number.

334987989396479 is a deficient number, since it is larger than the sum of its proper divisors (17630946810361).

334987989396479 is a wasteful number, since it uses less digits than its factorization.

334987989396479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17630946810360.

The product of its digits is 479980505088, while the sum is 98.

The spelling of 334987989396479 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 seventy-nine".