971893310834 has 8 divisors (see below), whose sum is σ = 1457851702188. Its totient is φ = 485942743440.

The previous prime is 971893310833. The next prime is 971893310891. The reversal of 971893310834 is 438013398179.

It can be written as a sum of positive squares in 2 ways, for example, as 970018161025 + 1875149809 = 984895^2 + 43303^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 971893310834.

It is not an unprimeable number, because it can be changed into a prime (971893310833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634897 + ... + 2148644.

Almost surely, 2^971893310834 is an apocalyptic number.

971893310834 is a deficient number, since it is larger than the sum of its proper divisors (485958391354).

971893310834 is a wasteful number, since it uses less digits than its factorization.

971893310834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911980.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 971893310834 in words is "nine hundred seventy-one billion, eight hundred ninety-three million, three hundred ten thousand, eight hundred thirty-four".