4509951133 has 4 divisors (see below), whose sum is σ = 4520664028. Its totient is φ = 4499238240.

The previous prime is 4509951073. The next prime is 4509951143. The reversal of 4509951133 is 3311599054.

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 122478489 + 4387472644 = 11067^2 + 66238^2 .

It is a cyclic number.

It is not a de Polignac number, because 4509951133 - 2²¹ = 4507853981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4509951143) 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, 5355816 + ... + 5356657.

It is an arithmetic number, because the mean of its divisors is an integer number (1130166007).

Almost surely, 2^4509951133 is an apocalyptic number.

It is an amenable number.

4509951133 is a deficient number, since it is larger than the sum of its proper divisors (10712895).

4509951133 is a wasteful number, since it uses less digits than its factorization.

4509951133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712894.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 4509951133 is about 67156.1697314551. The cubic root of 4509951133 is about 1652.1796883978.

The spelling of 4509951133 in words is "four billion, five hundred nine million, nine hundred fifty-one thousand, one hundred thirty-three".