220612342369 has 2 divisors, whose sum is σ = 220612342370. Its totient is φ = 220612342368.

The previous prime is 220612342289. The next prime is 220612342381. The reversal of 220612342369 is 963243216022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182212020769 + 38400321600 = 426863^2 + 195960^2 .

It is a cyclic number.

It is not a de Polignac number, because 220612342369 - 2¹⁵ = 220612309601 is a prime.

It is a super-2 number, since 2×220612342369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220612342169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110306171184 + 110306171185.

It is an arithmetic number, because the mean of its divisors is an integer number (110306171185).

Almost surely, 2^220612342369 is an apocalyptic number.

It is an amenable number.

220612342369 is a deficient number, since it is larger than the sum of its proper divisors (1).

220612342369 is an equidigital number, since it uses as much as digits as its factorization.

220612342369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 220612342369 in words is "two hundred twenty billion, six hundred twelve million, three hundred forty-two thousand, three hundred sixty-nine".