854251132641 has 8 divisors (see below), whose sum is σ = 1139266596384. Its totient is φ = 569368212000.

The previous prime is 854251132633. The next prime is 854251132649. The reversal of 854251132641 is 146231152458.

It is an interprime number because it is at equal distance from previous prime (854251132633) and next prime (854251132649).

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

It is not a de Polignac number, because 854251132641 - 2³ = 854251132633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 854251132593 and 854251132602.

It is not an unprimeable number, because it can be changed into a prime (854251132649) 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, 33120735 + ... + 33146516.

It is an arithmetic number, because the mean of its divisors is an integer number (142408324548).

Almost surely, 2^854251132641 is an apocalyptic number.

It is an amenable number.

854251132641 is a deficient number, since it is larger than the sum of its proper divisors (285015463743).

854251132641 is a wasteful number, since it uses less digits than its factorization.

854251132641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66271551.

The product of its digits is 230400, while the sum is 42.

The spelling of 854251132641 in words is "eight hundred fifty-four billion, two hundred fifty-one million, one hundred thirty-two thousand, six hundred forty-one".