30829888421 has 2 divisors, whose sum is σ = 30829888422. Its totient is φ = 30829888420.

The previous prime is 30829888409. The next prime is 30829888469. The reversal of 30829888421 is 12488892803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19310159521 + 11519728900 = 138961^2 + 107330^2 .

It is a cyclic number.

It is not a de Polignac number, because 30829888421 - 2¹⁸ = 30829626277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30829888021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15414944210 + 15414944211.

It is an arithmetic number, because the mean of its divisors is an integer number (15414944211).

Almost surely, 2^30829888421 is an apocalyptic number.

It is an amenable number.

30829888421 is a deficient number, since it is larger than the sum of its proper divisors (1).

30829888421 is an equidigital number, since it uses as much as digits as its factorization.

30829888421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1769472, while the sum is 53.

The spelling of 30829888421 in words is "thirty billion, eight hundred twenty-nine million, eight hundred eighty-eight thousand, four hundred twenty-one".