9746921903 has 2 divisors, whose sum is σ = 9746921904. Its totient is φ = 9746921902.

The previous prime is 9746921887. The next prime is 9746921909. The reversal of 9746921903 is 3091296479.

It is a strong prime.

It is an emirp because it is prime and its reverse (3091296479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9746921903 - 2⁴ = 9746921887 is a prime.

It is a super-2 number, since 2×9746921903² (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 (9746921909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4873460951 + 4873460952.

It is an arithmetic number, because the mean of its divisors is an integer number (4873460952).

Almost surely, 2^9746921903 is an apocalyptic number.

9746921903 is a deficient number, since it is larger than the sum of its proper divisors (1).

9746921903 is an equidigital number, since it uses as much as digits as its factorization.

9746921903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 9746921903 is about 98726.5005102480. The cubic root of 9746921903 is about 2136.1045025222.

The spelling of 9746921903 in words is "nine billion, seven hundred forty-six million, nine hundred twenty-one thousand, nine hundred three".