70954824817 has 2 divisors, whose sum is σ = 70954824818. Its totient is φ = 70954824816.

The previous prime is 70954824799. The next prime is 70954824821. The reversal of 70954824817 is 71842845907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62815898161 + 8138926656 = 250631^2 + 90216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70954824817 is a prime.

It is a super-2 number, since 2×70954824817² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70954824917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35477412408 + 35477412409.

It is an arithmetic number, because the mean of its divisors is an integer number (35477412409).

Almost surely, 2^70954824817 is an apocalyptic number.

It is an amenable number.

70954824817 is a deficient number, since it is larger than the sum of its proper divisors (1).

70954824817 is an equidigital number, since it uses as much as digits as its factorization.

70954824817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 70954824817 in words is "seventy billion, nine hundred fifty-four million, eight hundred twenty-four thousand, eight hundred seventeen".