4571634401 has 4 divisors (see below), whose sum is σ = 4591598100. Its totient is φ = 4551670704.

The previous prime is 4571634391. The next prime is 4571634413. The reversal of 4571634401 is 1044361754.

4571634401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1044361754 = 2 ⋅522180877.

It can be written as a sum of positive squares in 2 ways, for example, as 3581902801 + 989731600 = 59849^2 + 31460^2 .

It is a cyclic number.

It is not a de Polignac number, because 4571634401 - 2⁶ = 4571634337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4571634601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9981506 + ... + 9981963.

It is an arithmetic number, because the mean of its divisors is an integer number (1147899525).

Almost surely, 2^4571634401 is an apocalyptic number.

It is an amenable number.

4571634401 is a deficient number, since it is larger than the sum of its proper divisors (19963699).

4571634401 is a wasteful number, since it uses less digits than its factorization.

4571634401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19963698.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 4571634401 is about 67613.8624913560. The cubic root of 4571634401 is about 1659.6779751061.

The spelling of 4571634401 in words is "four billion, five hundred seventy-one million, six hundred thirty-four thousand, four hundred one".