5423421642 has 16 divisors (see below), whose sum is σ = 10849191840. Its totient is φ = 1807415792.

The previous prime is 5423421593. The next prime is 5423421727. The reversal of 5423421642 is 2461243245.

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, 67092 + ... + 123887.

It is an arithmetic number, because the mean of its divisors is an integer number (678074490).

Almost surely, 2^5423421642 is an apocalyptic number.

5423421642 is an abundant number, since it is smaller than the sum of its proper divisors (5425770198).

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

5423421642 is a wasteful number, since it uses less digits than its factorization.

5423421642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195717.

The product of its digits is 46080, while the sum is 33.

The square root of 5423421642 is about 73643.8839415739. The cubic root of 5423421642 is about 1756.9434769970.

Adding to 5423421642 its reverse (2461243245), we get a palindrome (7884664887).

The spelling of 5423421642 in words is "five billion, four hundred twenty-three million, four hundred twenty-one thousand, six hundred forty-two".