70234896409 has 4 divisors (see below), whose sum is σ = 70958967604. Its totient is φ = 69510825216.

The previous prime is 70234896379. The next prime is 70234896419. The reversal of 70234896409 is 90469843207.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37680633225 + 32554263184 = 194115^2 + 180428^2 .

It is a cyclic number.

It is not a de Polignac number, because 70234896409 - 2⁹ = 70234895897 is a prime.

It is a super-2 number, since 2×70234896409² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70234896419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362035452 + ... + 362035645.

It is an arithmetic number, because the mean of its divisors is an integer number (17739741901).

Almost surely, 2^70234896409 is an apocalyptic number.

It is an amenable number.

70234896409 is a deficient number, since it is larger than the sum of its proper divisors (724071195).

70234896409 is an equidigital number, since it uses as much as digits as its factorization.

70234896409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724071194.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 70234896409 in words is "seventy billion, two hundred thirty-four million, eight hundred ninety-six thousand, four hundred nine".