30202347893 has 2 divisors, whose sum is σ = 30202347894. Its totient is φ = 30202347892.

The previous prime is 30202347863. The next prime is 30202347941. The reversal of 30202347893 is 39874320203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18780509764 + 11421838129 = 137042^2 + 106873^2 .

It is a cyclic number.

It is not a de Polignac number, because 30202347893 - 2²⁴ = 30185570677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30202347893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30202347803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101173946 + 15101173947.

It is an arithmetic number, because the mean of its divisors is an integer number (15101173947).

Almost surely, 2^30202347893 is an apocalyptic number.

It is an amenable number.

30202347893 is a deficient number, since it is larger than the sum of its proper divisors (1).

30202347893 is an equidigital number, since it uses as much as digits as its factorization.

30202347893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 30202347893 in words is "thirty billion, two hundred two million, three hundred forty-seven thousand, eight hundred ninety-three".