70106430517 has 4 divisors (see below), whose sum is σ = 70145143776. Its totient is φ = 70067717260.

The previous prime is 70106430497. The next prime is 70106430553. The reversal of 70106430517 is 71503460107.

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 a de Polignac number, because none of the positive numbers 2^k-70106430517 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 (70106430217) 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, 19353913 + ... + 19357534.

It is an arithmetic number, because the mean of its divisors is an integer number (17536285944).

Almost surely, 2^70106430517 is an apocalyptic number.

It is an amenable number.

70106430517 is a deficient number, since it is larger than the sum of its proper divisors (38713259).

70106430517 is a wasteful number, since it uses less digits than its factorization.

70106430517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38713258.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 70106430517 in words is "seventy billion, one hundred six million, four hundred thirty thousand, five hundred seventeen".