52218506929 has 2 divisors, whose sum is σ = 52218506930. Its totient is φ = 52218506928.

The previous prime is 52218506861. The next prime is 52218506993. The reversal of 52218506929 is 92960581225.

52218506929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50018427904 + 2200079025 = 223648^2 + 46905^2 .

It is a cyclic number.

It is not a de Polignac number, because 52218506929 - 2¹¹ = 52218504881 is a prime.

It is a super-2 number, since 2×52218506929² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52218506999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26109253464 + 26109253465.

It is an arithmetic number, because the mean of its divisors is an integer number (26109253465).

Almost surely, 2^52218506929 is an apocalyptic number.

It is an amenable number.

52218506929 is a deficient number, since it is larger than the sum of its proper divisors (1).

52218506929 is an equidigital number, since it uses as much as digits as its factorization.

52218506929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 52218506929 in words is "fifty-two billion, two hundred eighteen million, five hundred six thousand, nine hundred twenty-nine".