971020445073 has 24 divisors (see below), whose sum is σ = 1506109909248. Its totient is φ = 554855053536.

The previous prime is 971020445051. The next prime is 971020445089. The reversal of 971020445073 is 370544020179.

It is not a de Polignac number, because 971020445073 - 2²² = 971016250769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (971020445033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10429315 + ... + 10522007.

It is an arithmetic number, because the mean of its divisors is an integer number (62754579552).

Almost surely, 2^971020445073 is an apocalyptic number.

It is an amenable number.

971020445073 is a deficient number, since it is larger than the sum of its proper divisors (535089464175).

971020445073 is a wasteful number, since it uses less digits than its factorization.

971020445073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163973 (or 163966 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 971020445073 in words is "nine hundred seventy-one billion, twenty million, four hundred forty-five thousand, seventy-three".