9890436126607 has 2 divisors, whose sum is σ = 9890436126608. Its totient is φ = 9890436126606.

The previous prime is 9890436126551. The next prime is 9890436126631. The reversal of 9890436126607 is 7066216340989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9890436126607 - 2⁷ = 9890436126479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9890436126407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4945218063303 + 4945218063304.

It is an arithmetic number, because the mean of its divisors is an integer number (4945218063304).

Almost surely, 2^{9890436126607} is an apocalyptic number.

9890436126607 is a deficient number, since it is larger than the sum of its proper divisors (1).

9890436126607 is an equidigital number, since it uses as much as digits as its factorization.

9890436126607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 9890436126607 in words is "nine trillion, eight hundred ninety billion, four hundred thirty-six million, one hundred twenty-six thousand, six hundred seven".