670148147 has 2 divisors, whose sum is σ = 670148148. Its totient is φ = 670148146.

The previous prime is 670148131. The next prime is 670148159. The reversal of 670148147 is 741841076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670148147 - 2⁴ = 670148131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 670148147.

It is not a weakly prime, because it can be changed into another prime (670148047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335074073 + 335074074.

It is an arithmetic number, because the mean of its divisors is an integer number (335074074).

Almost surely, 2^670148147 is an apocalyptic number.

670148147 is a deficient number, since it is larger than the sum of its proper divisors (1).

670148147 is an equidigital number, since it uses as much as digits as its factorization.

670148147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 670148147 is about 25887.2197618825. The cubic root of 670148147 is about 875.0985018905.

The spelling of 670148147 in words is "six hundred seventy million, one hundred forty-eight thousand, one hundred forty-seven".