42421021414 has 4 divisors (see below), whose sum is σ = 63631532124. Its totient is φ = 21210510706.

The previous prime is 42421021387. The next prime is 42421021427. The reversal of 42421021414 is 41412012424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10605255352 + ... + 10605255355.

It is an arithmetic number, because the mean of its divisors is an integer number (15907883031).

Almost surely, 2^42421021414 is an apocalyptic number.

42421021414 is a deficient number, since it is larger than the sum of its proper divisors (21210510710).

42421021414 is a wasteful number, since it uses less digits than its factorization.

42421021414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210510709.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 42421021414 its reverse (41412012424), we get a palindrome (83833033838).

The spelling of 42421021414 in words is "forty-two billion, four hundred twenty-one million, twenty-one thousand, four hundred fourteen".