3442142421 has 24 divisors (see below), whose sum is σ = 5023268640. Its totient is φ = 2271213216.

The previous prime is 3442142401. The next prime is 3442142471. The reversal of 3442142421 is 1242412443.

It is not a de Polignac number, because 3442142421 - 2⁶ = 3442142357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442142401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348570 + ... + 358308.

It is an arithmetic number, because the mean of its divisors is an integer number (209302860).

Almost surely, 2^3442142421 is an apocalyptic number.

It is an amenable number.

3442142421 is a deficient number, since it is larger than the sum of its proper divisors (1581126219).

3442142421 is a wasteful number, since it uses less digits than its factorization.

3442142421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10145 (or 10142 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 3442142421 is about 58669.7743390922. The cubic root of 3442142421 is about 1509.8817826255.

Adding to 3442142421 its reverse (1242412443), we get a palindrome (4684554864).

The spelling of 3442142421 in words is "three billion, four hundred forty-two million, one hundred forty-two thousand, four hundred twenty-one".