971381493480 has 64 divisors (see below), whose sum is σ = 2921099630400. Its totient is φ = 258416829440.

The previous prime is 971381493463. The next prime is 971381493491. The reversal of 971381493480 is 84394183179.

It is a happy number.

971381493480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 971381493480.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9609441 + ... + 9710000.

It is an arithmetic number, because the mean of its divisors is an integer number (45642181725).

Almost surely, 2^971381493480 is an apocalyptic number.

It is an amenable number.

971381493480 is an abundant number, since it is smaller than the sum of its proper divisors (1949718136920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971381493480 is a wasteful number, since it uses less digits than its factorization.

971381493480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19319874 (or 19319870 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 971381493480 in words is "nine hundred seventy-one billion, three hundred eighty-one million, four hundred ninety-three thousand, four hundred eighty".