4666250091 has 4 divisors (see below), whose sum is σ = 6221666792. Its totient is φ = 3110833392.

The previous prime is 4666250089. The next prime is 4666250131. The reversal of 4666250091 is 1900526664.

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

It is not a de Polignac number, because 4666250091 - 2¹ = 4666250089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4666250021) 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, 777708346 + ... + 777708351.

It is an arithmetic number, because the mean of its divisors is an integer number (1555416698).

Almost surely, 2^4666250091 is an apocalyptic number.

4666250091 is a deficient number, since it is larger than the sum of its proper divisors (1555416701).

4666250091 is a wasteful number, since it uses less digits than its factorization.

4666250091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555416700.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 4666250091 is about 68309.9560166745. The cubic root of 4666250091 is about 1671.0495859388.

The spelling of 4666250091 in words is "four billion, six hundred sixty-six million, two hundred fifty thousand, ninety-one".