70642643363 has 2 divisors, whose sum is σ = 70642643364. Its totient is φ = 70642643362.

The previous prime is 70642643329. The next prime is 70642643377. The reversal of 70642643363 is 36334624607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70642643363 - 2¹² = 70642639267 is a prime.

It is a super-2 number, since 2×70642643363² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70642643303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35321321681 + 35321321682.

It is an arithmetic number, because the mean of its divisors is an integer number (35321321682).

Almost surely, 2^70642643363 is an apocalyptic number.

70642643363 is a deficient number, since it is larger than the sum of its proper divisors (1).

70642643363 is an equidigital number, since it uses as much as digits as its factorization.

70642643363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 44.

The spelling of 70642643363 in words is "seventy billion, six hundred forty-two million, six hundred forty-three thousand, three hundred sixty-three".