9674334781 has 2 divisors, whose sum is σ = 9674334782. Its totient is φ = 9674334780.

The previous prime is 9674334767. The next prime is 9674334797. The reversal of 9674334781 is 1874334769.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5668584100 + 4005750681 = 75290^2 + 63291^2 .

It is a cyclic number.

It is not a de Polignac number, because 9674334781 - 2⁵ = 9674334749 is a prime.

It is a super-2 number, since 2×9674334781² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9674334281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4837167390 + 4837167391.

It is an arithmetic number, because the mean of its divisors is an integer number (4837167391).

Almost surely, 2^9674334781 is an apocalyptic number.

It is an amenable number.

9674334781 is a deficient number, since it is larger than the sum of its proper divisors (1).

9674334781 is an equidigital number, since it uses as much as digits as its factorization.

9674334781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 52.

The square root of 9674334781 is about 98358.1963081878. The cubic root of 9674334781 is about 2130.7886299992.

The spelling of 9674334781 in words is "nine billion, six hundred seventy-four million, three hundred thirty-four thousand, seven hundred eighty-one".