1670276449 has 2 divisors, whose sum is σ = 1670276450. Its totient is φ = 1670276448.

The previous prime is 1670276423. The next prime is 1670276501. The reversal of 1670276449 is 9446720761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1504896849 + 165379600 = 38793^2 + 12860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670276449 - 2⁵ = 1670276417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1670276399 and 1670276408.

It is not a weakly prime, because it can be changed into another prime (1670276549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835138224 + 835138225.

It is an arithmetic number, because the mean of its divisors is an integer number (835138225).

Almost surely, 2^1670276449 is an apocalyptic number.

It is an amenable number.

1670276449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670276449 is an equidigital number, since it uses as much as digits as its factorization.

1670276449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 1670276449 is about 40869.0157576617. The cubic root of 1670276449 is about 1186.4864583040.

The spelling of 1670276449 in words is "one billion, six hundred seventy million, two hundred seventy-six thousand, four hundred forty-nine".