70645261223 has 2 divisors, whose sum is σ = 70645261224. Its totient is φ = 70645261222.

The previous prime is 70645261207. The next prime is 70645261237. The reversal of 70645261223 is 32216254607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70645261223 - 2⁴ = 70645261207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70645261283) 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, 35322630611 + 35322630612.

It is an arithmetic number, because the mean of its divisors is an integer number (35322630612).

Almost surely, 2^70645261223 is an apocalyptic number.

70645261223 is a deficient number, since it is larger than the sum of its proper divisors (1).

70645261223 is an equidigital number, since it uses as much as digits as its factorization.

70645261223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 70645261223 in words is "seventy billion, six hundred forty-five million, two hundred sixty-one thousand, two hundred twenty-three".