9435634490801 has 2 divisors, whose sum is σ = 9435634490802. Its totient is φ = 9435634490800.

The previous prime is 9435634490747. The next prime is 9435634490899. The reversal of 9435634490801 is 1080944365349.

9435634490801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9279669525025 + 155964965776 = 3046255^2 + 394924^2 .

It is a cyclic number.

It is not a de Polignac number, because 9435634490801 - 2¹⁴ = 9435634474417 is a prime.

It is not a weakly prime, because it can be changed into another prime (9435634490101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4717817245400 + 4717817245401.

It is an arithmetic number, because the mean of its divisors is an integer number (4717817245401).

Almost surely, 2^{9435634490801} is an apocalyptic number.

It is an amenable number.

9435634490801 is a deficient number, since it is larger than the sum of its proper divisors (1).

9435634490801 is an equidigital number, since it uses as much as digits as its factorization.

9435634490801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 9435634490801 in words is "nine trillion, four hundred thirty-five billion, six hundred thirty-four million, four hundred ninety thousand, eight hundred one".