4545730891 has 8 divisors (see below), whose sum is σ = 4938726240. Its totient is φ = 4158924672.

The previous prime is 4545730811. The next prime is 4545730949. The reversal of 4545730891 is 1980375454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4545730891 - 2²³ = 4537342283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4545730801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545751 + ... + 1548688.

It is an arithmetic number, because the mean of its divisors is an integer number (617340780).

Almost surely, 2^4545730891 is an apocalyptic number.

4545730891 is a deficient number, since it is larger than the sum of its proper divisors (392995349).

4545730891 is a wasteful number, since it uses less digits than its factorization.

4545730891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094565.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 4545730891 is about 67422.0356485919. The cubic root of 4545730891 is about 1656.5373812925.

The spelling of 4545730891 in words is "four billion, five hundred forty-five million, seven hundred thirty thousand, eight hundred ninety-one".