70660117939 has 4 divisors (see below), whose sum is σ = 73096673760. Its totient is φ = 68223562120.

The previous prime is 70660117937. The next prime is 70660117949. The reversal of 70660117939 is 93971106607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93971106607 = 7 ⋅13424443801.

It is a cyclic number.

It is not a de Polignac number, because 70660117939 - 2¹ = 70660117937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70660117892 and 70660117901.

It is not an unprimeable number, because it can be changed into a prime (70660117937) 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, 1218277867 + ... + 1218277924.

It is an arithmetic number, because the mean of its divisors is an integer number (18274168440).

Almost surely, 2^70660117939 is an apocalyptic number.

70660117939 is a deficient number, since it is larger than the sum of its proper divisors (2436555821).

70660117939 is a wasteful number, since it uses less digits than its factorization.

70660117939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436555820.

The product of its (nonzero) digits is 428652, while the sum is 49.

The spelling of 70660117939 in words is "seventy billion, six hundred sixty million, one hundred seventeen thousand, nine hundred thirty-nine".