70093991321 has 4 divisors (see below), whose sum is σ = 70426190544. Its totient is φ = 69761792100.

The previous prime is 70093991293. The next prime is 70093991347. The reversal of 70093991321 is 12319939007.

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 70093991321 - 2¹⁰ = 70093990297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70093991351) 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, 166099295 + ... + 166099716.

It is an arithmetic number, because the mean of its divisors is an integer number (17606547636).

Almost surely, 2^70093991321 is an apocalyptic number.

It is an amenable number.

70093991321 is a deficient number, since it is larger than the sum of its proper divisors (332199223).

70093991321 is a wasteful number, since it uses less digits than its factorization.

70093991321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332199222.

The product of its (nonzero) digits is 91854, while the sum is 44.

The spelling of 70093991321 in words is "seventy billion, ninety-three million, nine hundred ninety-one thousand, three hundred twenty-one".