436689041 has 2 divisors, whose sum is σ = 436689042. Its totient is φ = 436689040.

The previous prime is 436689023. The next prime is 436689067. The reversal of 436689041 is 140986634.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436642816 + 46225 = 20896^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 436689041 - 2¹⁰ = 436688017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 436689041.

It is not a weakly prime, because it can be changed into another prime (436689241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218344520 + 218344521.

It is an arithmetic number, because the mean of its divisors is an integer number (218344521).

Almost surely, 2^436689041 is an apocalyptic number.

It is an amenable number.

436689041 is a deficient number, since it is larger than the sum of its proper divisors (1).

436689041 is an equidigital number, since it uses as much as digits as its factorization.

436689041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 436689041 is about 20897.1060436607. The cubic root of 436689041 is about 758.6778958701.

The spelling of 436689041 in words is "four hundred thirty-six million, six hundred eighty-nine thousand, forty-one".