4511609401 has 4 divisors (see below), whose sum is σ = 4858656292. Its totient is φ = 4164562512.

The previous prime is 4511609371. The next prime is 4511609419. The reversal of 4511609401 is 1049061154.

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 555073600 + 3956535801 = 23560^2 + 62901^2 .

It is a cyclic number.

It is not a de Polignac number, because 4511609401 - 2⁵ = 4511609369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4511609441) 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, 173523426 + ... + 173523451.

It is an arithmetic number, because the mean of its divisors is an integer number (1214664073).

Almost surely, 2^4511609401 is an apocalyptic number.

It is an amenable number.

4511609401 is a deficient number, since it is larger than the sum of its proper divisors (347046891).

4511609401 is a wasteful number, since it uses less digits than its factorization.

4511609401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347046890.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 4511609401 is about 67168.5149530641. The cubic root of 4511609401 is about 1652.3821607307.

The spelling of 4511609401 in words is "four billion, five hundred eleven million, six hundred nine thousand, four hundred one".