3942134421 has 8 divisors (see below), whose sum is σ = 5532820320. Its totient is φ = 2489769072.

The previous prime is 3942134419. The next prime is 3942134429. The reversal of 3942134421 is 1244312493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3942134421 - 2¹ = 3942134419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942134429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34580070 + ... + 34580183.

It is an arithmetic number, because the mean of its divisors is an integer number (691602540).

Almost surely, 2^3942134421 is an apocalyptic number.

It is an amenable number.

3942134421 is a deficient number, since it is larger than the sum of its proper divisors (1590685899).

3942134421 is a wasteful number, since it uses less digits than its factorization.

3942134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69160275.

The product of its digits is 20736, while the sum is 33.

The square root of 3942134421 is about 62786.4190808809. The cubic root of 3942134421 is about 1579.7091839107.

The spelling of 3942134421 in words is "three billion, nine hundred forty-two million, one hundred thirty-four thousand, four hundred twenty-one".