334721490643 has 4 divisors (see below), whose sum is σ = 346263611040. Its totient is φ = 323179370248.

The previous prime is 334721490637. The next prime is 334721490683. The reversal of 334721490643 is 346094127433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346094127433 = 47 ⋅7363704839.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-334721490643 is a prime.

It is a super-2 number, since 2×334721490643² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 334721490593 and 334721490602.

It is not an unprimeable number, because it can be changed into a prime (334721490683) 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, 5771060155 + ... + 5771060212.

It is an arithmetic number, because the mean of its divisors is an integer number (86565902760).

Almost surely, 2^334721490643 is an apocalyptic number.

334721490643 is a deficient number, since it is larger than the sum of its proper divisors (11542120397).

334721490643 is a wasteful number, since it uses less digits than its factorization.

334721490643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11542120396.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 334721490643 in words is "three hundred thirty-four billion, seven hundred twenty-one million, four hundred ninety thousand, six hundred forty-three".