70145115444473 has 2 divisors, whose sum is σ = 70145115444474. Its totient is φ = 70145115444472.

The previous prime is 70145115444457. The next prime is 70145115444511. The reversal of 70145115444473 is 37444451154107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44148955003024 + 25996160441449 = 6644468^2 + 5098643^2 .

It is a cyclic number.

It is not a de Polignac number, because 70145115444473 - 2⁴ = 70145115444457 is a prime.

It is not a weakly prime, because it can be changed into another prime (70145115444413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35072557722236 + 35072557722237.

It is an arithmetic number, because the mean of its divisors is an integer number (35072557722237).

Almost surely, 2^{70145115444473} is an apocalyptic number.

It is an amenable number.

70145115444473 is a deficient number, since it is larger than the sum of its proper divisors (1).

70145115444473 is an equidigital number, since it uses as much as digits as its factorization.

70145115444473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3763200, while the sum is 50.

The spelling of 70145115444473 in words is "seventy trillion, one hundred forty-five billion, one hundred fifteen million, four hundred forty-four thousand, four hundred seventy-three".