484749991 has 4 divisors (see below), whose sum is σ = 528818184. Its totient is φ = 440681800.

The previous prime is 484749989. The next prime is 484749997. The reversal of 484749991 is 199947484.

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

It is a cyclic number.

It is not a de Polignac number, because 484749991 - 2¹ = 484749989 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 (484749997) 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, 22034080 + ... + 22034101.

It is an arithmetic number, because the mean of its divisors is an integer number (132204546).

Almost surely, 2^484749991 is an apocalyptic number.

484749991 is a deficient number, since it is larger than the sum of its proper divisors (44068193).

484749991 is a wasteful number, since it uses less digits than its factorization.

484749991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44068192.

The product of its digits is 2612736, while the sum is 55.

The square root of 484749991 is about 22017.0386519168. The cubic root of 484749991 is about 785.5477756764.

The spelling of 484749991 in words is "four hundred eighty-four million, seven hundred forty-nine thousand, nine hundred ninety-one".