70210489 has 2 divisors, whose sum is σ = 70210490. Its totient is φ = 70210488.

The previous prime is 70210463. The next prime is 70210507. The reversal of 70210489 is 98401207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67371264 + 2839225 = 8208^2 + 1685^2 .

It is a cyclic number.

It is not a de Polignac number, because 70210489 - 2⁹ = 70209977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70210489.

It is not a weakly prime, because it can be changed into another prime (70211489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35105244 + 35105245.

It is an arithmetic number, because the mean of its divisors is an integer number (35105245).

Almost surely, 2^70210489 is an apocalyptic number.

It is an amenable number.

70210489 is a deficient number, since it is larger than the sum of its proper divisors (1).

70210489 is an equidigital number, since it uses as much as digits as its factorization.

70210489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 70210489 is about 8379.1699469578. The cubic root of 70210489 is about 412.5412048218.

The spelling of 70210489 in words is "seventy million, two hundred ten thousand, four hundred eighty-nine".