871418420010634 has 4 divisors (see below), whose sum is σ = 1307127630015954. Its totient is φ = 435709210005316.

The previous prime is 871418420010613. The next prime is 871418420010683. The reversal of 871418420010634 is 436010024814178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 837184862617609 + 34233557393025 = 28934147^2 + 5850945^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217854605002657 + ... + 217854605002660.

Almost surely, 2^{871418420010634} is an apocalyptic number.

871418420010634 is a deficient number, since it is larger than the sum of its proper divisors (435709210005320).

871418420010634 is a wasteful number, since it uses less digits than its factorization.

871418420010634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435709210005319.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 871418420010634 in words is "eight hundred seventy-one trillion, four hundred eighteen billion, four hundred twenty million, ten thousand, six hundred thirty-four".