70444347797 has 2 divisors, whose sum is σ = 70444347798. Its totient is φ = 70444347796.

The previous prime is 70444347781. The next prime is 70444347811. The reversal of 70444347797 is 79774344407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41091749521 + 29352598276 = 202711^2 + 171326^2 .

It is a cyclic number.

It is not a de Polignac number, because 70444347797 - 2⁴ = 70444347781 is a prime.

It is a super-2 number, since 2×70444347797² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70444347697) 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, 35222173898 + 35222173899.

It is an arithmetic number, because the mean of its divisors is an integer number (35222173899).

Almost surely, 2^70444347797 is an apocalyptic number.

It is an amenable number.

70444347797 is a deficient number, since it is larger than the sum of its proper divisors (1).

70444347797 is an equidigital number, since it uses as much as digits as its factorization.

70444347797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16595712, while the sum is 56.

The spelling of 70444347797 in words is "seventy billion, four hundred forty-four million, three hundred forty-seven thousand, seven hundred ninety-seven".