70785258473 has 2 divisors, whose sum is σ = 70785258474. Its totient is φ = 70785258472.

The previous prime is 70785258433. The next prime is 70785258517. The reversal of 70785258473 is 37485258707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43192061929 + 27593196544 = 207827^2 + 166112^2 .

It is a cyclic number.

It is not a de Polignac number, because 70785258473 - 2¹⁴ = 70785242089 is a prime.

It is not a weakly prime, because it can be changed into another prime (70785258433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35392629236 + 35392629237.

It is an arithmetic number, because the mean of its divisors is an integer number (35392629237).

Almost surely, 2^70785258473 is an apocalyptic number.

It is an amenable number.

70785258473 is a deficient number, since it is larger than the sum of its proper divisors (1).

70785258473 is an equidigital number, since it uses as much as digits as its factorization.

70785258473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 70785258473 in words is "seventy billion, seven hundred eighty-five million, two hundred fifty-eight thousand, four hundred seventy-three".