9671403372544 has 63 divisors (see below), whose sum is σ = 19349168666457. Its totient is φ = 4834109423616.

The previous prime is 9671403372497. The next prime is 9671403372571. The reversal of 9671403372544 is 4452733041769.

The square root of 9671403372544 is 3109888.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8191501926400 + 1479901446144 = 2862080^2 + 1216512^2 .

It is a super-3 number, since 3×9671403372544³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3184523794 + ... + 3184526830.

Almost surely, 2^{9671403372544} is an apocalyptic number.

9671403372544 is the 3109888-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9671403372544

9671403372544 is an abundant number, since it is smaller than the sum of its proper divisors (9677765293913).

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

9671403372544 is an frugal number, since it uses more digits than its factorization.

9671403372544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 9671403372544 in words is "nine trillion, six hundred seventy-one billion, four hundred three million, three hundred seventy-two thousand, five hundred forty-four".