4550421401 has 4 divisors (see below), whose sum is σ = 4551537252. Its totient is φ = 4549305552.

The previous prime is 4550421389. The next prime is 4550421413. The reversal of 4550421401 is 1041240554.

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

It is an interprime number because it is at equal distance from previous prime (4550421389) and next prime (4550421413).

It can be written as a sum of positive squares in 2 ways, for example, as 3642001801 + 908419600 = 60349^2 + 30140^2 .

It is a cyclic number.

It is not a de Polignac number, because 4550421401 - 2¹⁴ = 4550405017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4550421451) 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, 551786 + ... + 559971.

It is an arithmetic number, because the mean of its divisors is an integer number (1137884313).

Almost surely, 2^4550421401 is an apocalyptic number.

It is an amenable number.

4550421401 is a deficient number, since it is larger than the sum of its proper divisors (1115851).

4550421401 is a wasteful number, since it uses less digits than its factorization.

4550421401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115850.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4550421401 is about 67456.8113758722. The cubic root of 4550421401 is about 1657.1069511723.

Adding to 4550421401 its reverse (1041240554), we get a palindrome (5591661955).

The spelling of 4550421401 in words is "four billion, five hundred fifty million, four hundred twenty-one thousand, four hundred one".