35256666493 has 2 divisors, whose sum is σ = 35256666494. Its totient is φ = 35256666492.

The previous prime is 35256666463. The next prime is 35256666541. The reversal of 35256666493 is 39466665253.

It is a happy number.

35256666493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29509055524 + 5747610969 = 171782^2 + 75813^2 .

It is a cyclic number.

It is not a de Polignac number, because 35256666493 - 2¹⁷ = 35256535421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35256666463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17628333246 + 17628333247.

It is an arithmetic number, because the mean of its divisors is an integer number (17628333247).

Almost surely, 2^35256666493 is an apocalyptic number.

It is an amenable number.

35256666493 is a deficient number, since it is larger than the sum of its proper divisors (1).

35256666493 is an equidigital number, since it uses as much as digits as its factorization.

35256666493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20995200, while the sum is 55.

The spelling of 35256666493 in words is "thirty-five billion, two hundred fifty-six million, six hundred sixty-six thousand, four hundred ninety-three".