13235434999 has 2 divisors, whose sum is σ = 13235435000. Its totient is φ = 13235434998.

The previous prime is 13235434991. The next prime is 13235435039. The reversal of 13235434999 is 99943453231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13235434999 - 2³ = 13235434991 is a prime.

It is a super-2 number, since 2×13235434999² (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 (13235434991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6617717499 + 6617717500.

It is an arithmetic number, because the mean of its divisors is an integer number (6617717500).

Almost surely, 2^13235434999 is an apocalyptic number.

13235434999 is a deficient number, since it is larger than the sum of its proper divisors (1).

13235434999 is an equidigital number, since it uses as much as digits as its factorization.

13235434999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3149280, while the sum is 52.

The spelling of 13235434999 in words is "thirteen billion, two hundred thirty-five million, four hundred thirty-four thousand, nine hundred ninety-nine".