1807318849 has 16 divisors (see below), whose sum is σ = 2084048896. Its totient is φ = 1535274000.

The previous prime is 1807318829. The next prime is 1807318867. The reversal of 1807318849 is 9488137081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1807318849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1807318819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513004 + ... + 516514.

It is an arithmetic number, because the mean of its divisors is an integer number (130253056).

Almost surely, 2^1807318849 is an apocalyptic number.

It is an amenable number.

1807318849 is a deficient number, since it is larger than the sum of its proper divisors (276730047).

1807318849 is a wasteful number, since it uses less digits than its factorization.

1807318849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 1807318849 is about 42512.5728343981. The cubic root of 1807318849 is about 1218.0868628638.

The spelling of 1807318849 in words is "one billion, eight hundred seven million, three hundred eighteen thousand, eight hundred forty-nine".