4245018549 has 8 divisors (see below), whose sum is σ = 5665042560. Its totient is φ = 2827503456.

The previous prime is 4245018527. The next prime is 4245018577. The reversal of 4245018549 is 9458105424.

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

It is not a de Polignac number, because 4245018549 - 2⁸ = 4245018293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4245018549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245018049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623277 + ... + 630050.

It is an arithmetic number, because the mean of its divisors is an integer number (708130320).

Almost surely, 2^4245018549 is an apocalyptic number.

It is an amenable number.

4245018549 is a deficient number, since it is larger than the sum of its proper divisors (1420024011).

4245018549 is a wasteful number, since it uses less digits than its factorization.

4245018549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254459.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 4245018549 is about 65153.8068649868. The cubic root of 4245018549 is about 1619.1727917488.

The spelling of 4245018549 in words is "four billion, two hundred forty-five million, eighteen thousand, five hundred forty-nine".