69189500231 has 2 divisors, whose sum is σ = 69189500232. Its totient is φ = 69189500230.

The previous prime is 69189500123. The next prime is 69189500279. The reversal of 69189500231 is 13200598196.

It is a happy number.

Together with previous prime (69189500123) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69189500231 - 2³⁰ = 68115758407 is a prime.

It is a super-2 number, since 2×69189500231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69189500531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34594750115 + 34594750116.

It is an arithmetic number, because the mean of its divisors is an integer number (34594750116).

Almost surely, 2^69189500231 is an apocalyptic number.

69189500231 is a deficient number, since it is larger than the sum of its proper divisors (1).

69189500231 is an equidigital number, since it uses as much as digits as its factorization.

69189500231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 69189500231 in words is "sixty-nine billion, one hundred eighty-nine million, five hundred thousand, two hundred thirty-one".