70534458728473 has 2 divisors, whose sum is σ = 70534458728474. Its totient is φ = 70534458728472.

The previous prime is 70534458728423. The next prime is 70534458728477. The reversal of 70534458728473 is 37482785443507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41418646375824 + 29115812352649 = 6435732^2 + 5395907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70534458728473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70534458728399 and 70534458728408.

It is not a weakly prime, because it can be changed into another prime (70534458728477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35267229364236 + 35267229364237.

It is an arithmetic number, because the mean of its divisors is an integer number (35267229364237).

Almost surely, 2^{70534458728473} is an apocalyptic number.

It is an amenable number.

70534458728473 is a deficient number, since it is larger than the sum of its proper divisors (1).

70534458728473 is an equidigital number, since it uses as much as digits as its factorization.

70534458728473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 632217600, while the sum is 67.

The spelling of 70534458728473 in words is "seventy trillion, five hundred thirty-four billion, four hundred fifty-eight million, seven hundred twenty-eight thousand, four hundred seventy-three".