9909674783 has 2 divisors, whose sum is σ = 9909674784. Its totient is φ = 9909674782.

The previous prime is 9909674777. The next prime is 9909674837. The reversal of 9909674783 is 3874769099.

Together with next prime (9909674837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9909674783 - 2²⁰ = 9908626207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9909674743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4954837391 + 4954837392.

It is an arithmetic number, because the mean of its divisors is an integer number (4954837392).

Almost surely, 2^9909674783 is an apocalyptic number.

9909674783 is a deficient number, since it is larger than the sum of its proper divisors (1).

9909674783 is an equidigital number, since it uses as much as digits as its factorization.

9909674783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20575296, while the sum is 62.

The square root of 9909674783 is about 99547.3494524088. The cubic root of 9909674783 is about 2147.9284017733.

The spelling of 9909674783 in words is "nine billion, nine hundred nine million, six hundred seventy-four thousand, seven hundred eighty-three".