3446321881 has 2 divisors, whose sum is σ = 3446321882. Its totient is φ = 3446321880.

The previous prime is 3446321867. The next prime is 3446321929. The reversal of 3446321881 is 1881236443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3226808025 + 219513856 = 56805^2 + 14816^2 .

It is a cyclic number.

It is not a de Polignac number, because 3446321881 - 2⁵ = 3446321849 is a prime.

It is a super-2 number, since 2×3446321881² = 23754269014918756322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3446321831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1723160940 + 1723160941.

It is an arithmetic number, because the mean of its divisors is an integer number (1723160941).

Almost surely, 2^3446321881 is an apocalyptic number.

It is an amenable number.

3446321881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3446321881 is an equidigital number, since it uses as much as digits as its factorization.

3446321881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 3446321881 is about 58705.3820445792. The cubic root of 3446321881 is about 1510.4926365059.

The spelling of 3446321881 in words is "three billion, four hundred forty-six million, three hundred twenty-one thousand, eight hundred eighty-one".