235561274189957 has 2 divisors, whose sum is σ = 235561274189958. Its totient is φ = 235561274189956.

The previous prime is 235561274189933. The next prime is 235561274190001. The reversal of 235561274189957 is 759981472165532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145216743449281 + 90344530740676 = 12050591^2 + 9504974^2 .

It is a cyclic number.

It is not a de Polignac number, because 235561274189957 - 2⁶ = 235561274189893 is a prime.

It is a super-2 number, since 2×235561274189957² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235561274186957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117780637094978 + 117780637094979.

It is an arithmetic number, because the mean of its divisors is an integer number (117780637094979).

Almost surely, 2^{235561274189957} is an apocalyptic number.

It is an amenable number.

235561274189957 is a deficient number, since it is larger than the sum of its proper divisors (1).

235561274189957 is an equidigital number, since it uses as much as digits as its factorization.

235561274189957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072000, while the sum is 74.

The spelling of 235561274189957 in words is "two hundred thirty-five trillion, five hundred sixty-one billion, two hundred seventy-four million, one hundred eighty-nine thousand, nine hundred fifty-seven".