30556421125049 has 2 divisors, whose sum is σ = 30556421125050. Its totient is φ = 30556421125048.

The previous prime is 30556421125033. The next prime is 30556421125093. The reversal of 30556421125049 is 94052112465503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26838947919424 + 3717473205625 = 5180632^2 + 1928075^2 .

It is a cyclic number.

It is not a de Polignac number, because 30556421125049 - 2⁴ = 30556421125033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30556421124994 and 30556421125012.

It is not a weakly prime, because it can be changed into another prime (30556421125019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15278210562524 + 15278210562525.

It is an arithmetic number, because the mean of its divisors is an integer number (15278210562525).

Almost surely, 2^{30556421125049} is an apocalyptic number.

It is an amenable number.

30556421125049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30556421125049 is an equidigital number, since it uses as much as digits as its factorization.

30556421125049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 30556421125049 in words is "thirty trillion, five hundred fifty-six billion, four hundred twenty-one million, one hundred twenty-five thousand, forty-nine".