35441243921 has 2 divisors, whose sum is σ = 35441243922. Its totient is φ = 35441243920.

The previous prime is 35441243857. The next prime is 35441244023. The reversal of 35441243921 is 12934214453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33156403921 + 2284840000 = 182089^2 + 47800^2 .

It is a cyclic number.

It is not a de Polignac number, because 35441243921 - 2⁶ = 35441243857 is a prime.

It is not a weakly prime, because it can be changed into another prime (35441240921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17720621960 + 17720621961.

It is an arithmetic number, because the mean of its divisors is an integer number (17720621961).

Almost surely, 2^35441243921 is an apocalyptic number.

It is an amenable number.

35441243921 is a deficient number, since it is larger than the sum of its proper divisors (1).

35441243921 is an equidigital number, since it uses as much as digits as its factorization.

35441243921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The spelling of 35441243921 in words is "thirty-five billion, four hundred forty-one million, two hundred forty-three thousand, nine hundred twenty-one".