30564220969 has 2 divisors, whose sum is σ = 30564220970. Its totient is φ = 30564220968.

The previous prime is 30564220847. The next prime is 30564220987. The reversal of 30564220969 is 96902246503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29313891369 + 1250329600 = 171213^2 + 35360^2 .

It is a cyclic number.

It is not a de Polignac number, because 30564220969 - 2¹⁵ = 30564188201 is a prime.

It is a super-2 number, since 2×30564220969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30564220069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15282110484 + 15282110485.

It is an arithmetic number, because the mean of its divisors is an integer number (15282110485).

Almost surely, 2^30564220969 is an apocalyptic number.

It is an amenable number.

30564220969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30564220969 is an equidigital number, since it uses as much as digits as its factorization.

30564220969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 30564220969 in words is "thirty billion, five hundred sixty-four million, two hundred twenty thousand, nine hundred sixty-nine".