35516420609 has 2 divisors, whose sum is σ = 35516420610. Its totient is φ = 35516420608.

The previous prime is 35516420561. The next prime is 35516420651. The reversal of 35516420609 is 90602461553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22001195584 + 13515225025 = 148328^2 + 116255^2 .

It is an emirp because it is prime and its reverse (90602461553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35516420609 - 2⁸ = 35516420353 is a prime.

It is a super-2 number, since 2×35516420609² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (35512420609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17758210304 + 17758210305.

It is an arithmetic number, because the mean of its divisors is an integer number (17758210305).

Almost surely, 2^35516420609 is an apocalyptic number.

It is an amenable number.

35516420609 is a deficient number, since it is larger than the sum of its proper divisors (1).

35516420609 is an equidigital number, since it uses as much as digits as its factorization.

35516420609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 35516420609 in words is "thirty-five billion, five hundred sixteen million, four hundred twenty thousand, six hundred nine".