5635397459 has 2 divisors, whose sum is σ = 5635397460. Its totient is φ = 5635397458.

The previous prime is 5635397447. The next prime is 5635397483. The reversal of 5635397459 is 9547935365.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5635397459 - 2⁸ = 5635397203 is a prime.

It is not a weakly prime, because it can be changed into another prime (5635397419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2817698729 + 2817698730.

It is an arithmetic number, because the mean of its divisors is an integer number (2817698730).

Almost surely, 2^5635397459 is an apocalyptic number.

5635397459 is a deficient number, since it is larger than the sum of its proper divisors (1).

5635397459 is an equidigital number, since it uses as much as digits as its factorization.

5635397459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15309000, while the sum is 56.

The square root of 5635397459 is about 75069.2843911543. The cubic root of 5635397459 is about 1779.5417600663.

The spelling of 5635397459 in words is "five billion, six hundred thirty-five million, three hundred ninety-seven thousand, four hundred fifty-nine".