9081537846481 has 3 divisors (see below), whose sum is σ = 9081540860041. Its totient is φ = 9081534832922.

The previous prime is 9081537846457. The next prime is 9081537846499. The reversal of 9081537846481 is 1846487351809.

The square root of 9081537846481 is 3013559.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 9081537846481 - 2⁵ = 9081537846449 is a prime.

It is a super-2 number, since 2×9081537846481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9081537826481) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1506780 + ... + 4520338.

Almost surely, 2^{9081537846481} is an apocalyptic number.

9081537846481 is the 3013559-th square number.

9081537846481 is the 1506780-th centered octagonal number.

It is an amenable number.

9081537846481 is a deficient number, since it is larger than the sum of its proper divisors (3013560).

9081537846481 is an frugal number, since it uses more digits than its factorization.

9081537846481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027118 (or 3013559 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 64.

Multiplying 9081537846481 by its sum of digits (64), we get a square (581218422174784 = 24108472²).

The spelling of 9081537846481 in words is "nine trillion, eighty-one billion, five hundred thirty-seven million, eight hundred forty-six thousand, four hundred eighty-one".