70144293273 has 4 divisors (see below), whose sum is σ = 93525724368. Its totient is φ = 46762862180.

The previous prime is 70144293269. The next prime is 70144293337. The reversal of 70144293273 is 37239244107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70144293273 - 2² = 70144293269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70144293203) 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 3 ways as a sum of consecutive naturals, for example, 11690715543 + ... + 11690715548.

It is an arithmetic number, because the mean of its divisors is an integer number (23381431092).

Almost surely, 2^70144293273 is an apocalyptic number.

It is an amenable number.

70144293273 is a deficient number, since it is larger than the sum of its proper divisors (23381431095).

70144293273 is a wasteful number, since it uses less digits than its factorization.

70144293273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23381431094.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 70144293273 in words is "seventy billion, one hundred forty-four million, two hundred ninety-three thousand, two hundred seventy-three".