670915093 has 2 divisors, whose sum is σ = 670915094. Its totient is φ = 670915092.

The previous prime is 670915073. The next prime is 670915123. The reversal of 670915093 is 390519076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335549124 + 335365969 = 18318^2 + 18313^2 .

It is a cyclic number.

It is not a de Polignac number, because 670915093 - 2⁹ = 670914581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670915033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335457546 + 335457547.

It is an arithmetic number, because the mean of its divisors is an integer number (335457547).

Almost surely, 2^670915093 is an apocalyptic number.

It is an amenable number.

670915093 is a deficient number, since it is larger than the sum of its proper divisors (1).

670915093 is an equidigital number, since it uses as much as digits as its factorization.

670915093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 670915093 is about 25902.0287429383. The cubic root of 670915093 is about 875.4322079171.

The spelling of 670915093 in words is "six hundred seventy million, nine hundred fifteen thousand, ninety-three".