70085400493 has 2 divisors, whose sum is σ = 70085400494. Its totient is φ = 70085400492.

The previous prime is 70085400389. The next prime is 70085400499. The reversal of 70085400493 is 39400458007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69823834564 + 261565929 = 264242^2 + 16173^2 .

It is a cyclic number.

It is not a de Polignac number, because 70085400493 - 2¹³ = 70085392301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70085400499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35042700246 + 35042700247.

It is an arithmetic number, because the mean of its divisors is an integer number (35042700247).

Almost surely, 2^70085400493 is an apocalyptic number.

It is an amenable number.

70085400493 is a deficient number, since it is larger than the sum of its proper divisors (1).

70085400493 is an equidigital number, since it uses as much as digits as its factorization.

70085400493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 70085400493 in words is "seventy billion, eighty-five million, four hundred thousand, four hundred ninety-three".