70109277349 has 4 divisors (see below), whose sum is σ = 70110398764. Its totient is φ = 70108155936.

The previous prime is 70109277347. The next prime is 70109277377. The reversal of 70109277349 is 94377290107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94377290107 = 285251 ⋅330857.

It can be written as a sum of positive squares in 2 ways, for example, as 26925528100 + 43183749249 = 164090^2 + 207807^2 .

It is a cyclic number.

It is not a de Polignac number, because 70109277349 - 2¹ = 70109277347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70109277341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461022 + ... + 593935.

It is an arithmetic number, because the mean of its divisors is an integer number (17527599691).

Almost surely, 2^70109277349 is an apocalyptic number.

It is an amenable number.

70109277349 is a deficient number, since it is larger than the sum of its proper divisors (1121415).

70109277349 is a wasteful number, since it uses less digits than its factorization.

70109277349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121414.

The product of its (nonzero) digits is 666792, while the sum is 49.

The spelling of 70109277349 in words is "seventy billion, one hundred nine million, two hundred seventy-seven thousand, three hundred forty-nine".