1670264473 has 2 divisors, whose sum is σ = 1670264474. Its totient is φ = 1670264472.

The previous prime is 1670264459. The next prime is 1670264489. The reversal of 1670264473 is 3744620761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1469418889 + 200845584 = 38333^2 + 14172^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670264473 - 2¹³ = 1670256281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1670261473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835132236 + 835132237.

It is an arithmetic number, because the mean of its divisors is an integer number (835132237).

Almost surely, 2^1670264473 is an apocalyptic number.

It is an amenable number.

1670264473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670264473 is an equidigital number, since it uses as much as digits as its factorization.

1670264473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 1670264473 is about 40868.8692405356. The cubic root of 1670264473 is about 1186.4836225667.

The spelling of 1670264473 in words is "one billion, six hundred seventy million, two hundred sixty-four thousand, four hundred seventy-three".