70846387481309 has 4 divisors (see below), whose sum is σ = 77286968161440. Its totient is φ = 64405806801180.

The previous prime is 70846387481299. The next prime is 70846387481339. The reversal of 70846387481309 is 90318478364807.

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 70846387481309 - 2⁴⁴ = 53254201436893 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 (70846387481339) 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, 3220290340049 + ... + 3220290340070.

It is an arithmetic number, because the mean of its divisors is an integer number (19321742040360).

Almost surely, 2^{70846387481309} is an apocalyptic number.

It is an amenable number.

70846387481309 is a deficient number, since it is larger than the sum of its proper divisors (6440580680131).

70846387481309 is a wasteful number, since it uses less digits than its factorization.

70846387481309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440580680130.

The product of its (nonzero) digits is 195084288, while the sum is 68.

The spelling of 70846387481309 in words is "seventy trillion, eight hundred forty-six billion, three hundred eighty-seven million, four hundred eighty-one thousand, three hundred nine".