435690425689 has 2 divisors, whose sum is σ = 435690425690. Its totient is φ = 435690425688.

The previous prime is 435690425617. The next prime is 435690425693. The reversal of 435690425689 is 986524096534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273233062089 + 162457363600 = 522717^2 + 403060^2 .

It is a cyclic number.

It is not a de Polignac number, because 435690425689 - 2⁷ = 435690425561 is a prime.

It is a super-2 number, since 2×435690425689² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (435690225689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217845212844 + 217845212845.

It is an arithmetic number, because the mean of its divisors is an integer number (217845212845).

Almost surely, 2^435690425689 is an apocalyptic number.

It is an amenable number.

435690425689 is a deficient number, since it is larger than the sum of its proper divisors (1).

435690425689 is an equidigital number, since it uses as much as digits as its factorization.

435690425689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55987200, while the sum is 61.

The spelling of 435690425689 in words is "four hundred thirty-five billion, six hundred ninety million, four hundred twenty-five thousand, six hundred eighty-nine".