854464236575381 has 8 divisors (see below), whose sum is σ = 905692395668760. Its totient is φ = 803343361586688.

The previous prime is 854464236575377. The next prime is 854464236575413. The reversal of 854464236575381 is 183575632464458.

It can be written as a sum of positive squares in 4 ways, for example, as 145713652158481 + 708750584416900 = 12071191^2 + 26622370^2 .

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 854464236575381 - 2² = 854464236575377 is a prime.

It is a super-2 number, since 2×854464236575381² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854464236575371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26821009766 + ... + 26821041623.

It is an arithmetic number, because the mean of its divisors is an integer number (113211549458595).

Almost surely, 2^{854464236575381} is an apocalyptic number.

It is an amenable number.

854464236575381 is a deficient number, since it is larger than the sum of its proper divisors (51228159093379).

854464236575381 is a wasteful number, since it uses less digits than its factorization.

854464236575381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53642052343.

The product of its digits is 2322432000, while the sum is 71.

The spelling of 854464236575381 in words is "eight hundred fifty-four trillion, four hundred sixty-four billion, two hundred thirty-six million, five hundred seventy-five thousand, three hundred eighty-one".