334721490641 has 4 divisors (see below), whose sum is σ = 334725846000. Its totient is φ = 334717135284.

The previous prime is 334721490637. The next prime is 334721490683. The reversal of 334721490641 is 146094127433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146094127433 = 341879 ⋅427327.

It is a cyclic number.

It is not a de Polignac number, because 334721490641 - 2² = 334721490637 is a prime.

It is a super-2 number, since 2×334721490641² (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 = 334721490592 and 334721490601.

It is not an unprimeable number, because it can be changed into a prime (334721492641) 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, 2060291 + ... + 2216808.

It is an arithmetic number, because the mean of its divisors is an integer number (83681461500).

Almost surely, 2^334721490641 is an apocalyptic number.

It is an amenable number.

334721490641 is a deficient number, since it is larger than the sum of its proper divisors (4355359).

334721490641 is an equidigital number, since it uses as much as digits as its factorization.

334721490641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355358.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 334721490641 in words is "three hundred thirty-four billion, seven hundred twenty-one million, four hundred ninety thousand, six hundred forty-one".