344102333432421 has 16 divisors (see below), whose sum is σ = 469841623179264. Its totient is φ = 223908898479024.

The previous prime is 344102333432401. The next prime is 344102333432441. The reversal of 344102333432421 is 124234333201443.

It is an interprime number because it is at equal distance from previous prime (344102333432401) and next prime (344102333432441).

It is not a de Polignac number, because 344102333432421 - 2²⁷ = 344102199214693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344102333432421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344102333432401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3324801225 + ... + 3324904718.

It is an arithmetic number, because the mean of its divisors is an integer number (29365101448704).

Almost surely, 2^{344102333432421} is an apocalyptic number.

It is an amenable number.

344102333432421 is a deficient number, since it is larger than the sum of its proper divisors (125739289746843).

344102333432421 is a wasteful number, since it uses less digits than its factorization.

344102333432421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649706360.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 344102333432421 its reverse (124234333201443), we get a palindrome (468336666633864).

The spelling of 344102333432421 in words is "three hundred forty-four trillion, one hundred two billion, three hundred thirty-three million, four hundred thirty-two thousand, four hundred twenty-one".