285063440519391 has 8 divisors (see below), whose sum is σ = 380206840374960. Its totient is φ = 189981167171712.

The previous prime is 285063440519339. The next prime is 285063440519413. The reversal of 285063440519391 is 193915044360582.

It is a happy number.

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

It is not a de Polignac number, because 285063440519391 - 2¹⁷ = 285063440388319 is a prime.

It is a super-2 number, since 2×285063440519391² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285063440519311) 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, 15281616090 + ... + 15281634743.

It is an arithmetic number, because the mean of its divisors is an integer number (47525855046870).

Almost surely, 2^{285063440519391} is an apocalyptic number.

285063440519391 is a deficient number, since it is larger than the sum of its proper divisors (95143399855569).

285063440519391 is a wasteful number, since it uses less digits than its factorization.

285063440519391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30563253945.

The product of its (nonzero) digits is 27993600, while the sum is 60.

The spelling of 285063440519391 in words is "two hundred eighty-five trillion, sixty-three billion, four hundred forty million, five hundred nineteen thousand, three hundred ninety-one".