70193609 has 2 divisors, whose sum is σ = 70193610. Its totient is φ = 70193608.

The previous prime is 70193603. The next prime is 70193611. The reversal of 70193609 is 90639107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54169600 + 16024009 = 7360^2 + 4003^2 .

It is a cyclic number.

It is not a de Polignac number, because 70193609 - 2⁴ = 70193593 is a prime.

Together with 70193611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70193603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35096804 + 35096805.

It is an arithmetic number, because the mean of its divisors is an integer number (35096805).

Almost surely, 2^70193609 is an apocalyptic number.

It is an amenable number.

70193609 is a deficient number, since it is larger than the sum of its proper divisors (1).

70193609 is an equidigital number, since it uses as much as digits as its factorization.

70193609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 70193609 is about 8378.1626267339. The cubic root of 70193609 is about 412.5081411310.

The spelling of 70193609 in words is "seventy million, one hundred ninety-three thousand, six hundred nine".