4231421542 has 8 divisors (see below), whose sum is σ = 6427476000. Its totient is φ = 2088929544.

The previous prime is 4231421479. The next prime is 4231421549. The reversal of 4231421542 is 2451241324.

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

It is a super-2 number, since 2×4231421542² = 35809856532203315528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4231421542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4231421549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13390417 + ... + 13390732.

It is an arithmetic number, because the mean of its divisors is an integer number (803434500).

Almost surely, 2^4231421542 is an apocalyptic number.

4231421542 is a deficient number, since it is larger than the sum of its proper divisors (2196054458).

4231421542 is a wasteful number, since it uses less digits than its factorization.

4231421542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26781230.

The product of its digits is 7680, while the sum is 28.

The square root of 4231421542 is about 65049.3777218507. The cubic root of 4231421542 is about 1617.4421788386.

Adding to 4231421542 its reverse (2451241324), we get a palindrome (6682662866).

The spelling of 4231421542 in words is "four billion, two hundred thirty-one million, four hundred twenty-one thousand, five hundred forty-two".