13434999959 has 16 divisors (see below), whose sum is σ = 15155834880. Its totient is φ = 11845452960.

The previous prime is 13434999931. The next prime is 13434999983. The reversal of 13434999959 is 95999943431.

It is a cyclic number.

It is not a de Polignac number, because 13434999959 - 2¹⁶ = 13434934423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13434999895 and 13434999904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434999559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399287 + ... + 431624.

It is an arithmetic number, because the mean of its divisors is an integer number (947239680).

Almost surely, 2^13434999959 is an apocalyptic number.

13434999959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13434999959 is a deficient number, since it is larger than the sum of its proper divisors (1720834921).

13434999959 is a wasteful number, since it uses less digits than its factorization.

13434999959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830990.

The product of its digits is 42515280, while the sum is 65.

The spelling of 13434999959 in words is "thirteen billion, four hundred thirty-four million, nine hundred ninety-nine thousand, nine hundred fifty-nine".