70948771813079 has 4 divisors (see below), whose sum is σ = 71088160363320. Its totient is φ = 70809383262840.

The previous prime is 70948771813067. The next prime is 70948771813133. The reversal of 70948771813079 is 97031817784907.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70948771813079 - 2⁸ = 70948771812823 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 (70948770813079) 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, 69694274357 + ... + 69694275374.

It is an arithmetic number, because the mean of its divisors is an integer number (17772040090830).

Almost surely, 2^{70948771813079} is an apocalyptic number.

70948771813079 is a deficient number, since it is larger than the sum of its proper divisors (139388550241).

70948771813079 is a wasteful number, since it uses less digits than its factorization.

70948771813079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139388550240.

The product of its (nonzero) digits is 149361408, while the sum is 71.

The spelling of 70948771813079 in words is "seventy trillion, nine hundred forty-eight billion, seven hundred seventy-one million, eight hundred thirteen thousand, seventy-nine".