32220451969 has 2 divisors, whose sum is σ = 32220451970. Its totient is φ = 32220451968.

The previous prime is 32220451937. The next prime is 32220452071. The reversal of 32220451969 is 96915402223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31998054400 + 222397569 = 178880^2 + 14913^2 .

It is an emirp because it is prime and its reverse (96915402223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32220451969 - 2⁵ = 32220451937 is a prime.

It is a super-2 number, since 2×32220451969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32220452969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110225984 + 16110225985.

It is an arithmetic number, because the mean of its divisors is an integer number (16110225985).

Almost surely, 2^32220451969 is an apocalyptic number.

It is an amenable number.

32220451969 is a deficient number, since it is larger than the sum of its proper divisors (1).

32220451969 is an equidigital number, since it uses as much as digits as its factorization.

32220451969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 32220451969 in words is "thirty-two billion, two hundred twenty million, four hundred fifty-one thousand, nine hundred sixty-nine".