9994425031 has 2 divisors, whose sum is σ = 9994425032. Its totient is φ = 9994425030.

The previous prime is 9994424977. The next prime is 9994425047. The reversal of 9994425031 is 1305244999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9994425031 - 2²¹ = 9992327879 is a prime.

It is a super-2 number, since 2×9994425031² (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 (9994425071) 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, 4997212515 + 4997212516.

It is an arithmetic number, because the mean of its divisors is an integer number (4997212516).

Almost surely, 2^9994425031 is an apocalyptic number.

9994425031 is a deficient number, since it is larger than the sum of its proper divisors (1).

9994425031 is an equidigital number, since it uses as much as digits as its factorization.

9994425031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 9994425031 is about 99972.1212688818. The cubic root of 9994425031 is about 2154.0342520547.

The spelling of 9994425031 in words is "nine billion, nine hundred ninety-four million, four hundred twenty-five thousand, thirty-one".