334646474956991 has 4 divisors (see below), whose sum is σ = 336232477208184. Its totient is φ = 333060472705800.

The previous prime is 334646474956979. The next prime is 334646474956999. The reversal of 334646474956991 is 199659474646433.

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 334646474956991 - 2⁴⁶ = 264277730779327 is a prime.

It is a super-4 number, since 4×334646474956991⁴ (a number of 59 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334646474956999) 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, 793001125280 + ... + 793001125701.

It is an arithmetic number, because the mean of its divisors is an integer number (84058119302046).

Almost surely, 2^{334646474956991} is an apocalyptic number.

334646474956991 is a deficient number, since it is larger than the sum of its proper divisors (1586002251193).

334646474956991 is a wasteful number, since it uses less digits than its factorization.

334646474956991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586002251192.

The product of its digits is 12697896960, while the sum is 80.

The spelling of 334646474956991 in words is "three hundred thirty-four trillion, six hundred forty-six billion, four hundred seventy-four million, nine hundred fifty-six thousand, nine hundred ninety-one".