30207644293 has 2 divisors, whose sum is σ = 30207644294. Its totient is φ = 30207644292.

The previous prime is 30207644281. The next prime is 30207644359. The reversal of 30207644293 is 39244670203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27769556164 + 2438088129 = 166642^2 + 49377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30207644293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30207644213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15103822146 + 15103822147.

It is an arithmetic number, because the mean of its divisors is an integer number (15103822147).

Almost surely, 2^30207644293 is an apocalyptic number.

It is an amenable number.

30207644293 is a deficient number, since it is larger than the sum of its proper divisors (1).

30207644293 is an equidigital number, since it uses as much as digits as its factorization.

30207644293 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 40.

The spelling of 30207644293 in words is "thirty billion, two hundred seven million, six hundred forty-four thousand, two hundred ninety-three".