42034434313421 has 32 divisors (see below), whose sum is σ = 47476897210368. Its totient is φ = 36884662035840.

The previous prime is 42034434313379. The next prime is 42034434313441. The reversal of 42034434313421 is 12431343443024.

It is a cyclic number.

It is not a de Polignac number, because 42034434313421 - 2⁶ = 42034434313357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42034434313441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 531617936 + ... + 531696998.

It is an arithmetic number, because the mean of its divisors is an integer number (1483653037824).

Almost surely, 2^{42034434313421} is an apocalyptic number.

It is an amenable number.

42034434313421 is a deficient number, since it is larger than the sum of its proper divisors (5442462896947).

42034434313421 is a wasteful number, since it uses less digits than its factorization.

42034434313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93281.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 42034434313421 its reverse (12431343443024), we get a palindrome (54465777756445).

The spelling of 42034434313421 in words is "forty-two trillion, thirty-four billion, four hundred thirty-four million, three hundred thirteen thousand, four hundred twenty-one".