782309042349 has 16 divisors (see below), whose sum is σ = 1067398464000. Its totient is φ = 509380902576.

The previous prime is 782309042341. The next prime is 782309042351. The reversal of 782309042349 is 943240903287.

It is not a de Polignac number, because 782309042349 - 2³ = 782309042341 is a prime.

It is a super-2 number, since 2×782309042349² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782309042341) 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 15 ways as a sum of consecutive naturals, for example, 2170002 + ... + 2504700.

It is an arithmetic number, because the mean of its divisors is an integer number (66712404000).

Almost surely, 2^782309042349 is an apocalyptic number.

It is an amenable number.

782309042349 is a deficient number, since it is larger than the sum of its proper divisors (285089421651).

782309042349 is a wasteful number, since it uses less digits than its factorization.

782309042349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352864.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 782309042349 in words is "seven hundred eighty-two billion, three hundred nine million, forty-two thousand, three hundred forty-nine".