30763118909 has 2 divisors, whose sum is σ = 30763118910. Its totient is φ = 30763118908.

The previous prime is 30763118879. The next prime is 30763118993. The reversal of 30763118909 is 90981136703.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28383825625 + 2379293284 = 168475^2 + 48778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30763118909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30763118509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15381559454 + 15381559455.

It is an arithmetic number, because the mean of its divisors is an integer number (15381559455).

Almost surely, 2^30763118909 is an apocalyptic number.

It is an amenable number.

30763118909 is a deficient number, since it is larger than the sum of its proper divisors (1).

30763118909 is an equidigital number, since it uses as much as digits as its factorization.

30763118909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 30763118909 in words is "thirty billion, seven hundred sixty-three million, one hundred eighteen thousand, nine hundred nine".