30000421937 has 2 divisors, whose sum is σ = 30000421938. Its totient is φ = 30000421936.

The previous prime is 30000421931. The next prime is 30000421967. The reversal of 30000421937 is 73912400003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26855343376 + 3145078561 = 163876^2 + 56081^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000421937 - 2⁴ = 30000421921 is a prime.

It is not a weakly prime, because it can be changed into another prime (30000421931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000210968 + 15000210969.

It is an arithmetic number, because the mean of its divisors is an integer number (15000210969).

Almost surely, 2^30000421937 is an apocalyptic number.

It is an amenable number.

30000421937 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000421937 is an equidigital number, since it uses as much as digits as its factorization.

30000421937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 30000421937 in words is "thirty billion, four hundred twenty-one thousand, nine hundred thirty-seven".