30622463881 has 2 divisors, whose sum is σ = 30622463882. Its totient is φ = 30622463880.

The previous prime is 30622463819. The next prime is 30622463887. The reversal of 30622463881 is 18836422603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30595257225 + 27206656 = 174915^2 + 5216^2 .

It is a cyclic number.

It is not a de Polignac number, because 30622463881 - 2²⁷ = 30488246153 is a prime.

It is a super-2 number, since 2×30622463881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30622463887) 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, 15311231940 + 15311231941.

It is an arithmetic number, because the mean of its divisors is an integer number (15311231941).

Almost surely, 2^30622463881 is an apocalyptic number.

It is an amenable number.

30622463881 is a deficient number, since it is larger than the sum of its proper divisors (1).

30622463881 is an equidigital number, since it uses as much as digits as its factorization.

30622463881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 30622463881 in words is "thirty billion, six hundred twenty-two million, four hundred sixty-three thousand, eight hundred eighty-one".