3213023449 has 2 divisors, whose sum is σ = 3213023450. Its totient is φ = 3213023448.

The previous prime is 3213023417. The next prime is 3213023459. The reversal of 3213023449 is 9443203123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2795025424 + 417998025 = 52868^2 + 20445^2 .

It is an emirp because it is prime and its reverse (9443203123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3213023449 - 2⁵ = 3213023417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3213023449.

It is not a weakly prime, because it can be changed into another prime (3213023459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606511724 + 1606511725.

It is an arithmetic number, because the mean of its divisors is an integer number (1606511725).

Almost surely, 2^3213023449 is an apocalyptic number.

It is an amenable number.

3213023449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213023449 is an equidigital number, since it uses as much as digits as its factorization.

3213023449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 3213023449 is about 56683.5377248104. The cubic root of 3213023449 is about 1475.6090100655.

The spelling of 3213023449 in words is "three billion, two hundred thirteen million, twenty-three thousand, four hundred forty-nine".