2235809133739 has 2 divisors, whose sum is σ = 2235809133740. Its totient is φ = 2235809133738.

The previous prime is 2235809133737. The next prime is 2235809133787. The reversal of 2235809133739 is 9373319085322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2235809133739 - 2¹ = 2235809133737 is a prime.

It is a super-3 number, since 3×2235809133739³ (a number of 38 digits) contains 333 as substring.

Together with 2235809133737, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2235809133739.

It is not a weakly prime, because it can be changed into another prime (2235809133737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117904566869 + 1117904566870.

It is an arithmetic number, because the mean of its divisors is an integer number (1117904566870).

Almost surely, 2^{2235809133739} is an apocalyptic number.

2235809133739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235809133739 is an equidigital number, since it uses as much as digits as its factorization.

2235809133739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 2235809133739 in words is "two trillion, two hundred thirty-five billion, eight hundred nine million, one hundred thirty-three thousand, seven hundred thirty-nine".