70194793249 has 15 divisors (see below), whose sum is σ = 81904200657. Its totient is φ = 60155838036.

The previous prime is 70194793247. The next prime is 70194793369. The reversal of 70194793249 is 94239749107.

The square root of 70194793249 is 264943.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 70194793249 - 2¹ = 70194793247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70194793249.

It is not an unprimeable number, because it can be changed into a prime (70194793247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 12979504 + ... + 12984910.

Almost surely, 2^70194793249 is an apocalyptic number.

70194793249 is the 264943-rd square number.

70194793249 is the 132472-nd centered octagonal number.

It is an amenable number.

70194793249 is a deficient number, since it is larger than the sum of its proper divisors (11709407408).

70194793249 is an frugal number, since it uses more digits than its factorization.

70194793249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842 (or 5414 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 70194793249 in words is "seventy billion, one hundred ninety-four million, seven hundred ninety-three thousand, two hundred forty-nine".