70974447871 has 2 divisors, whose sum is σ = 70974447872. Its totient is φ = 70974447870.

The previous prime is 70974447851. The next prime is 70974447911. The reversal of 70974447871 is 17874447907.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70974447871 - 2¹⁵ = 70974415103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70974447821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35487223935 + 35487223936.

It is an arithmetic number, because the mean of its divisors is an integer number (35487223936).

Almost surely, 2^70974447871 is an apocalyptic number.

70974447871 is a deficient number, since it is larger than the sum of its proper divisors (1).

70974447871 is an equidigital number, since it uses as much as digits as its factorization.

70974447871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11063808, while the sum is 58.

The spelling of 70974447871 in words is "seventy billion, nine hundred seventy-four million, four hundred forty-seven thousand, eight hundred seventy-one".