285739350449 has 8 divisors (see below), whose sum is σ = 327602580480. Its totient is φ = 244136951136.

The previous prime is 285739350443. The next prime is 285739350487. The reversal of 285739350449 is 944053937582.

It is a happy number.

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 285739350449 - 2²⁰ = 285738301873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (285739350443) 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, 65205329 + ... + 65209710.

It is an arithmetic number, because the mean of its divisors is an integer number (40950322560).

Almost surely, 2^285739350449 is an apocalyptic number.

It is an amenable number.

285739350449 is a deficient number, since it is larger than the sum of its proper divisors (41863230031).

285739350449 is a wasteful number, since it uses less digits than its factorization.

285739350449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130415359.

The product of its (nonzero) digits is 32659200, while the sum is 59.

The spelling of 285739350449 in words is "two hundred eighty-five billion, seven hundred thirty-nine million, three hundred fifty thousand, four hundred forty-nine".