4550421434 has 16 divisors (see below), whose sum is σ = 7357732200. Its totient is φ = 2098179840.

The previous prime is 4550421413. The next prime is 4550421451. The reversal of 4550421434 is 4341240554.

It can be written as a sum of positive squares in 4 ways, for example, as 4343205409 + 207216025 = 65903^2 + 14395^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4550421434.

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, 56147 + ... + 110694.

Almost surely, 2^4550421434 is an apocalyptic number.

4550421434 is a deficient number, since it is larger than the sum of its proper divisors (2807310766).

4550421434 is a wasteful number, since it uses less digits than its factorization.

4550421434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167905.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 4550421434 is about 67456.8116204731. The cubic root of 4550421434 is about 1657.1069551781.

Adding to 4550421434 its reverse (4341240554), we get a palindrome (8891661988).

The spelling of 4550421434 in words is "four billion, five hundred fifty million, four hundred twenty-one thousand, four hundred thirty-four".