1016634935609 has 2 divisors, whose sum is σ = 1016634935610. Its totient is φ = 1016634935608.

The previous prime is 1016634935567. The next prime is 1016634935621. The reversal of 1016634935609 is 9065394366101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 892873806400 + 123761129209 = 944920^2 + 351797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016634935609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1016634935699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508317467804 + 508317467805.

It is an arithmetic number, because the mean of its divisors is an integer number (508317467805).

Almost surely, 2^{1016634935609} is an apocalyptic number.

It is an amenable number.

1016634935609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016634935609 is an equidigital number, since it uses as much as digits as its factorization.

1016634935609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 1016634935609 in words is "one trillion, sixteen billion, six hundred thirty-four million, nine hundred thirty-five thousand, six hundred nine".