491300745 has 96 divisors (see below), whose sum is σ = 907562880. Its totient is φ = 226437120.

The previous prime is 491300743. The next prime is 491300753. The reversal of 491300745 is 547003194.

It is not a de Polignac number, because 491300745 - 2¹ = 491300743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (491300743) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3014034 + ... + 3014196.

It is an arithmetic number, because the mean of its divisors is an integer number (9453780).

Almost surely, 2^491300745 is an apocalyptic number.

It is an amenable number.

491300745 is a deficient number, since it is larger than the sum of its proper divisors (416262135).

491300745 is a wasteful number, since it uses less digits than its factorization.

491300745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 491300745 is about 22165.3049832390. The cubic root of 491300745 is about 789.0705005587.

The spelling of 491300745 in words is "four hundred ninety-one million, three hundred thousand, seven hundred forty-five".