70647398893 has 2 divisors, whose sum is σ = 70647398894. Its totient is φ = 70647398892.

The previous prime is 70647398879. The next prime is 70647398917. The reversal of 70647398893 is 39889374607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38483845929 + 32163552964 = 196173^2 + 179342^2 .

It is a cyclic number.

It is not a de Polignac number, because 70647398893 - 2¹³ = 70647390701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70647398693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35323699446 + 35323699447.

It is an arithmetic number, because the mean of its divisors is an integer number (35323699447).

Almost surely, 2^70647398893 is an apocalyptic number.

It is an amenable number.

70647398893 is a deficient number, since it is larger than the sum of its proper divisors (1).

70647398893 is an equidigital number, since it uses as much as digits as its factorization.

70647398893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 70647398893 in words is "seventy billion, six hundred forty-seven million, three hundred ninety-eight thousand, eight hundred ninety-three".