30243586973 has 2 divisors, whose sum is σ = 30243586974. Its totient is φ = 30243586972.

The previous prime is 30243586969. The next prime is 30243586987. The reversal of 30243586973 is 37968534203.

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., 30229733689 + 13853284 = 173867^2 + 3722^2 .

It is a cyclic number.

It is not a de Polignac number, because 30243586973 - 2² = 30243586969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30243586913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121793486 + 15121793487.

It is an arithmetic number, because the mean of its divisors is an integer number (15121793487).

Almost surely, 2^30243586973 is an apocalyptic number.

It is an amenable number.

30243586973 is a deficient number, since it is larger than the sum of its proper divisors (1).

30243586973 is an equidigital number, since it uses as much as digits as its factorization.

30243586973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 30243586973 in words is "thirty billion, two hundred forty-three million, five hundred eighty-six thousand, nine hundred seventy-three".