70070170691 has 2 divisors, whose sum is σ = 70070170692. Its totient is φ = 70070170690.

The previous prime is 70070170663. The next prime is 70070170717. The reversal of 70070170691 is 19607107007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70070170691 - 2⁶ = 70070170627 is a prime.

It is not a weakly prime, because it can be changed into another prime (70070170601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35035085345 + 35035085346.

It is an arithmetic number, because the mean of its divisors is an integer number (35035085346).

Almost surely, 2^70070170691 is an apocalyptic number.

70070170691 is a deficient number, since it is larger than the sum of its proper divisors (1).

70070170691 is an equidigital number, since it uses as much as digits as its factorization.

70070170691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 38.

Adding to 70070170691 its reverse (19607107007), we get a palindrome (89677277698).

The spelling of 70070170691 in words is "seventy billion, seventy million, one hundred seventy thousand, six hundred ninety-one".