70642643303 has 2 divisors, whose sum is σ = 70642643304. Its totient is φ = 70642643302.

The previous prime is 70642643263. The next prime is 70642643327. The reversal of 70642643303 is 30334624607.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70642643303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70642643363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35321321651 + 35321321652.

It is an arithmetic number, because the mean of its divisors is an integer number (35321321652).

Almost surely, 2^70642643303 is an apocalyptic number.

70642643303 is a deficient number, since it is larger than the sum of its proper divisors (1).

70642643303 is an equidigital number, since it uses as much as digits as its factorization.

70642643303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 38.

The spelling of 70642643303 in words is "seventy billion, six hundred forty-two million, six hundred forty-three thousand, three hundred three".