9974545747 has 2 divisors, whose sum is σ = 9974545748. Its totient is φ = 9974545746.

The previous prime is 9974545741. The next prime is 9974545753. The reversal of 9974545747 is 7475454799.

It is a balanced prime because it is at equal distance from previous prime (9974545741) and next prime (9974545753).

It is an emirp because it is prime and its reverse (7475454799) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9974545747 is a prime.

It is not a weakly prime, because it can be changed into another prime (9974545741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4987272873 + 4987272874.

It is an arithmetic number, because the mean of its divisors is an integer number (4987272874).

Almost surely, 2^9974545747 is an apocalyptic number.

9974545747 is the 57662-nd hex number.

9974545747 is a deficient number, since it is larger than the sum of its proper divisors (1).

9974545747 is an equidigital number, since it uses as much as digits as its factorization.

9974545747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44452800, while the sum is 61.

The square root of 9974545747 is about 99872.6476418844. The cubic root of 9974545747 is about 2152.6051526467.

The spelling of 9974545747 in words is "nine billion, nine hundred seventy-four million, five hundred forty-five thousand, seven hundred forty-seven".