70106556012173 has 2 divisors, whose sum is σ = 70106556012174. Its totient is φ = 70106556012172.

The previous prime is 70106556012151. The next prime is 70106556012187. The reversal of 70106556012173 is 37121065560107.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45199239949444 + 24907316062729 = 6723038^2 + 4990723^2 .

It is a cyclic number.

It is not a de Polignac number, because 70106556012173 - 2¹⁴ = 70106555995789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70106556012193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35053278006086 + 35053278006087.

It is an arithmetic number, because the mean of its divisors is an integer number (35053278006087).

Almost surely, 2^{70106556012173} is an apocalyptic number.

It is an amenable number.

70106556012173 is a deficient number, since it is larger than the sum of its proper divisors (1).

70106556012173 is an equidigital number, since it uses as much as digits as its factorization.

70106556012173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 70106556012173 in words is "seventy trillion, one hundred six billion, five hundred fifty-six million, twelve thousand, one hundred seventy-three".