30869783137 has 2 divisors, whose sum is σ = 30869783138. Its totient is φ = 30869783136.

The previous prime is 30869783111. The next prime is 30869783213. The reversal of 30869783137 is 73138796803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15926187601 + 14943595536 = 126199^2 + 122244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30869783137 is a prime.

It is not a weakly prime, because it can be changed into another prime (30869783107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15434891568 + 15434891569.

It is an arithmetic number, because the mean of its divisors is an integer number (15434891569).

Almost surely, 2^30869783137 is an apocalyptic number.

It is an amenable number.

30869783137 is a deficient number, since it is larger than the sum of its proper divisors (1).

30869783137 is an equidigital number, since it uses as much as digits as its factorization.

30869783137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 30869783137 in words is "thirty billion, eight hundred sixty-nine million, seven hundred eighty-three thousand, one hundred thirty-seven".