9761947257481 has 8 divisors (see below), whose sum is σ = 9895876682720. Its totient is φ = 9628023349152.

The previous prime is 9761947257427. The next prime is 9761947257509. The reversal of 9761947257481 is 1847527491679.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9761947257481 is a prime.

It is a super-2 number, since 2×9761947257481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9761947257481.

It is not an unprimeable number, because it can be changed into a prime (9761947257581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248990 + ... + 4958008.

It is an arithmetic number, because the mean of its divisors is an integer number (1236984585340).

Almost surely, 2^{9761947257481} is an apocalyptic number.

It is an amenable number.

9761947257481 is a deficient number, since it is larger than the sum of its proper divisors (133929425239).

9761947257481 is a wasteful number, since it uses less digits than its factorization.

9761947257481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758455.

The product of its digits is 213373440, while the sum is 70.

The spelling of 9761947257481 in words is "nine trillion, seven hundred sixty-one billion, nine hundred forty-seven million, two hundred fifty-seven thousand, four hundred eighty-one".