3448310725921 has 2 divisors, whose sum is σ = 3448310725922. Its totient is φ = 3448310725920.

The previous prime is 3448310725897. The next prime is 3448310725943. The reversal of 3448310725921 is 1295270138443.

3448310725921 is nontrivially palindromic in base 7.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3017533781025 + 430776944896 = 1737105^2 + 656336^2 .

It is a cyclic number.

It is not a de Polignac number, because 3448310725921 - 2²⁷ = 3448176508193 is a prime.

It is not a weakly prime, because it can be changed into another prime (3448310725121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1724155362960 + 1724155362961.

It is an arithmetic number, because the mean of its divisors is an integer number (1724155362961).

Almost surely, 2^{3448310725921} is an apocalyptic number.

It is an amenable number.

3448310725921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3448310725921 is an equidigital number, since it uses as much as digits as its factorization.

3448310725921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 3448310725921 in words is "three trillion, four hundred forty-eight billion, three hundred ten million, seven hundred twenty-five thousand, nine hundred twenty-one".