70312491439 has 2 divisors, whose sum is σ = 70312491440. Its totient is φ = 70312491438.

The previous prime is 70312491421. The next prime is 70312491511. The reversal of 70312491439 is 93419421307.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70312491439 - 2¹¹ = 70312489391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70312491395 and 70312491404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70312497439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35156245719 + 35156245720.

It is an arithmetic number, because the mean of its divisors is an integer number (35156245720).

Almost surely, 2^70312491439 is an apocalyptic number.

70312491439 is a deficient number, since it is larger than the sum of its proper divisors (1).

70312491439 is an equidigital number, since it uses as much as digits as its factorization.

70312491439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 70312491439 in words is "seventy billion, three hundred twelve million, four hundred ninety-one thousand, four hundred thirty-nine".