670938833 has 2 divisors, whose sum is σ = 670938834. Its totient is φ = 670938832.

The previous prime is 670938803. The next prime is 670938869. The reversal of 670938833 is 338839076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 670395664 + 543169 = 25892^2 + 737^2 .

It is a cyclic number.

It is not a de Polignac number, because 670938833 - 2⁶ = 670938769 is a prime.

It is not a weakly prime, because it can be changed into another prime (670938803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335469416 + 335469417.

It is an arithmetic number, because the mean of its divisors is an integer number (335469417).

Almost surely, 2^670938833 is an apocalyptic number.

It is an amenable number.

670938833 is a deficient number, since it is larger than the sum of its proper divisors (1).

670938833 is an equidigital number, since it uses as much as digits as its factorization.

670938833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 670938833 is about 25902.4870041469. The cubic root of 670938833 is about 875.4425333744.

The spelling of 670938833 in words is "six hundred seventy million, nine hundred thirty-eight thousand, eight hundred thirty-three".