334402331002421 has 4 divisors (see below), whose sum is σ = 364802542911744. Its totient is φ = 304002119093100.

The previous prime is 334402331002391. The next prime is 334402331002423. The reversal of 334402331002421 is 124200133204433.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-334402331002421 is a prime.

It is a super-2 number, since 2×334402331002421² (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 (334402331002423) 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, 15200105954645 + ... + 15200105954666.

It is an arithmetic number, because the mean of its divisors is an integer number (91200635727936).

Almost surely, 2^{334402331002421} is an apocalyptic number.

It is an amenable number.

334402331002421 is a deficient number, since it is larger than the sum of its proper divisors (30400211909323).

334402331002421 is a wasteful number, since it uses less digits than its factorization.

334402331002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30400211909322.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 334402331002421 its reverse (124200133204433), we get a palindrome (458602464206854).

The spelling of 334402331002421 in words is "three hundred thirty-four trillion, four hundred two billion, three hundred thirty-one million, two thousand, four hundred twenty-one".