70809366349 has 4 divisors (see below), whose sum is σ = 71806681440. Its totient is φ = 69812051260.

The previous prime is 70809366343. The next prime is 70809366391. The reversal of 70809366349 is 94366390807.

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 70809366349 - 2¹³ = 70809358157 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 70809366349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70809366343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498657439 + ... + 498657580.

It is an arithmetic number, because the mean of its divisors is an integer number (17951670360).

Almost surely, 2^70809366349 is an apocalyptic number.

It is an amenable number.

70809366349 is a deficient number, since it is larger than the sum of its proper divisors (997315091).

70809366349 is an equidigital number, since it uses as much as digits as its factorization.

70809366349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997315090.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 70809366349 in words is "seventy billion, eight hundred nine million, three hundred sixty-six thousand, three hundred forty-nine".