5421105642 has 16 divisors (see below), whose sum is σ = 10854020160. Its totient is φ = 1805067072.

The previous prime is 5421105637. The next prime is 5421105659. The reversal of 5421105642 is 2465011245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486063 + ... + 497090.

It is an arithmetic number, because the mean of its divisors is an integer number (678376260).

Almost surely, 2^5421105642 is an apocalyptic number.

5421105642 is an abundant number, since it is smaller than the sum of its proper divisors (5432914518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5421105642 is a wasteful number, since it uses less digits than its factorization.

5421105642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984077.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 5421105642 is about 73628.1579424611. The cubic root of 5421105642 is about 1756.6933482828.

Adding to 5421105642 its reverse (2465011245), we get a palindrome (7886116887).

The spelling of 5421105642 in words is "five billion, four hundred twenty-one million, one hundred five thousand, six hundred forty-two".