434334311421 has 16 divisors (see below), whose sum is σ = 587891968704. Its totient is φ = 285168432384.

The previous prime is 434334311407. The next prime is 434334311443. The reversal of 434334311421 is 124113433434.

It is not a de Polignac number, because 434334311421 - 2⁹ = 434334310909 is a prime.

It is a super-2 number, since 2×434334311421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434334311221) 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, 627781 + ... + 1123733.

It is an arithmetic number, because the mean of its divisors is an integer number (36743248044).

Almost surely, 2^434334311421 is an apocalyptic number.

It is an amenable number.

434334311421 is a deficient number, since it is larger than the sum of its proper divisors (153557657283).

434334311421 is a wasteful number, since it uses less digits than its factorization.

434334311421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500380.

The product of its digits is 41472, while the sum is 33.

Adding to 434334311421 its reverse (124113433434), we get a palindrome (558447744855).

The spelling of 434334311421 in words is "four hundred thirty-four billion, three hundred thirty-four million, three hundred eleven thousand, four hundred twenty-one".