1350850809 has 96 divisors (see below), whose sum is σ = 2408749056. Its totient is φ = 654013440.

The previous prime is 1350850807. The next prime is 1350850817. The reversal of 1350850809 is 9080580531.

It is not a de Polignac number, because 1350850809 - 2¹ = 1350850807 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350850807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8088844 + ... + 8089010.

It is an arithmetic number, because the mean of its divisors is an integer number (25091136).

Almost surely, 2^1350850809 is an apocalyptic number.

1350850809 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1350850809 is a deficient number, since it is larger than the sum of its proper divisors (1057898247).

1350850809 is a wasteful number, since it uses less digits than its factorization.

1350850809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 1350850809 is about 36753.9223621099. The cubic root of 1350850809 is about 1105.4415791418.

The spelling of 1350850809 in words is "one billion, three hundred fifty million, eight hundred fifty thousand, eight hundred nine".