3221013011969 has 2 divisors, whose sum is σ = 3221013011970. Its totient is φ = 3221013011968.

The previous prime is 3221013011959. The next prime is 3221013011981. The reversal of 3221013011969 is 9691103101223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1935256588225 + 1285756423744 = 1391135^2 + 1133912^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221013011969 - 2¹² = 3221013007873 is a prime.

It is a super-2 number, since 2×3221013011969² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3221013011959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610506505984 + 1610506505985.

It is an arithmetic number, because the mean of its divisors is an integer number (1610506505985).

Almost surely, 2^{3221013011969} is an apocalyptic number.

It is an amenable number.

3221013011969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221013011969 is an equidigital number, since it uses as much as digits as its factorization.

3221013011969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 3221013011969 in words is "three trillion, two hundred twenty-one billion, thirteen million, eleven thousand, nine hundred sixty-nine".