235756385069 has 2 divisors, whose sum is σ = 235756385070. Its totient is φ = 235756385068.

The previous prime is 235756385021. The next prime is 235756385071. The reversal of 235756385069 is 960583657532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190238162569 + 45518222500 = 436163^2 + 213350^2 .

It is a cyclic number.

It is not a de Polignac number, because 235756385069 - 2²⁰ = 235755336493 is a prime.

It is a super-2 number, since 2×235756385069² (a number of 24 digits) contains 22 as substring.

Together with 235756385071, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 235756384999 and 235756385017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235756385869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117878192534 + 117878192535.

It is an arithmetic number, because the mean of its divisors is an integer number (117878192535).

Almost surely, 2^235756385069 is an apocalyptic number.

It is an amenable number.

235756385069 is a deficient number, since it is larger than the sum of its proper divisors (1).

235756385069 is an equidigital number, since it uses as much as digits as its factorization.

235756385069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824000, while the sum is 59.

The spelling of 235756385069 in words is "two hundred thirty-five billion, seven hundred fifty-six million, three hundred eighty-five thousand, sixty-nine".