30045728737 has 2 divisors, whose sum is σ = 30045728738. Its totient is φ = 30045728736.

The previous prime is 30045728731. The next prime is 30045728747. The reversal of 30045728737 is 73782754003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28189066816 + 1856661921 = 167896^2 + 43089^2 .

It is a cyclic number.

It is not a de Polignac number, because 30045728737 - 2²³ = 30037340129 is a prime.

It is not a weakly prime, because it can be changed into another prime (30045728731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15022864368 + 15022864369.

It is an arithmetic number, because the mean of its divisors is an integer number (15022864369).

Almost surely, 2^30045728737 is an apocalyptic number.

It is an amenable number.

30045728737 is a deficient number, since it is larger than the sum of its proper divisors (1).

30045728737 is an equidigital number, since it uses as much as digits as its factorization.

30045728737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 30045728737 in words is "thirty billion, forty-five million, seven hundred twenty-eight thousand, seven hundred thirty-seven".