3450195521 has 2 divisors, whose sum is σ = 3450195522. Its totient is φ = 3450195520.

The previous prime is 3450195493. The next prime is 3450195547. The reversal of 3450195521 is 1255910543.

3450195521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2700257296 + 749938225 = 51964^2 + 27385^2 .

It is an emirp because it is prime and its reverse (1255910543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3450195521 - 2²² = 3446001217 is a prime.

It is a super-2 number, since 2×3450195521² = 23807698266256922882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3450194521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725097760 + 1725097761.

It is an arithmetic number, because the mean of its divisors is an integer number (1725097761).

Almost surely, 2^3450195521 is an apocalyptic number.

It is an amenable number.

3450195521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3450195521 is an equidigital number, since it uses as much as digits as its factorization.

3450195521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 3450195521 is about 58738.3649840545. The cubic root of 3450195521 is about 1511.0583520782.

The spelling of 3450195521 in words is "three billion, four hundred fifty million, one hundred ninety-five thousand, five hundred twenty-one".