70194784361 has 4 divisors (see below), whose sum is σ = 75594383172. Its totient is φ = 64795185552.

The previous prime is 70194784339. The next prime is 70194784459. The reversal of 70194784361 is 16348749107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16348749107 = 383 ⋅42686029.

It can be written as a sum of positive squares in 2 ways, for example, as 32953503961 + 37241280400 = 181531^2 + 192980^2 .

It is a cyclic number.

It is not a de Polignac number, because 70194784361 - 2¹⁴ = 70194767977 is a prime.

It is a super-3 number, since 3×70194784361³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70194784301) 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, 2699799386 + ... + 2699799411.

It is an arithmetic number, because the mean of its divisors is an integer number (18898595793).

Almost surely, 2^70194784361 is an apocalyptic number.

It is an amenable number.

70194784361 is a deficient number, since it is larger than the sum of its proper divisors (5399598811).

70194784361 is a wasteful number, since it uses less digits than its factorization.

70194784361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5399598810.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 70194784361 in words is "seventy billion, one hundred ninety-four million, seven hundred eighty-four thousand, three hundred sixty-one".