234535967557 has 2 divisors, whose sum is σ = 234535967558. Its totient is φ = 234535967556.

The previous prime is 234535967551. The next prime is 234535967639. The reversal of 234535967557 is 755769535432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175635589921 + 58900377636 = 419089^2 + 242694^2 .

It is a cyclic number.

It is not a de Polignac number, because 234535967557 - 2¹⁹ = 234535443269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234535967495 and 234535967504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234535967551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117267983778 + 117267983779.

It is an arithmetic number, because the mean of its divisors is an integer number (117267983779).

Almost surely, 2^234535967557 is an apocalyptic number.

It is an amenable number.

234535967557 is a deficient number, since it is larger than the sum of its proper divisors (1).

234535967557 is an equidigital number, since it uses as much as digits as its factorization.

234535967557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070000, while the sum is 61.

The spelling of 234535967557 in words is "two hundred thirty-four billion, five hundred thirty-five million, nine hundred sixty-seven thousand, five hundred fifty-seven".