4572201409 has 4 divisors (see below), whose sum is σ = 4619337604. Its totient is φ = 4525065216.

The previous prime is 4572201379. The next prime is 4572201427. The reversal of 4572201409 is 9041022754.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1605765184 + 2966436225 = 40072^2 + 54465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4572201409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4572201499) 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, 23567952 + ... + 23568145.

It is an arithmetic number, because the mean of its divisors is an integer number (1154834401).

Almost surely, 2^4572201409 is an apocalyptic number.

It is an amenable number.

4572201409 is a deficient number, since it is larger than the sum of its proper divisors (47136195).

4572201409 is an equidigital number, since it uses as much as digits as its factorization.

4572201409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47136194.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 4572201409 is about 67618.0553476658. The cubic root of 4572201409 is about 1659.7465874596.

The spelling of 4572201409 in words is "four billion, five hundred seventy-two million, two hundred one thousand, four hundred nine".