30735613409 has 2 divisors, whose sum is σ = 30735613410. Its totient is φ = 30735613408.

The previous prime is 30735613399. The next prime is 30735613411. The reversal of 30735613409 is 90431653703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24913465600 + 5822147809 = 157840^2 + 76303^2 .

It is a cyclic number.

It is not a de Polignac number, because 30735613409 - 2¹⁶ = 30735547873 is a prime.

Together with 30735613411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30735613109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15367806704 + 15367806705.

It is an arithmetic number, because the mean of its divisors is an integer number (15367806705).

Almost surely, 2^30735613409 is an apocalyptic number.

It is an amenable number.

30735613409 is a deficient number, since it is larger than the sum of its proper divisors (1).

30735613409 is an equidigital number, since it uses as much as digits as its factorization.

30735613409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 41.

The spelling of 30735613409 in words is "thirty billion, seven hundred thirty-five million, six hundred thirteen thousand, four hundred nine".