70771424191 has 4 divisors (see below), whose sum is σ = 76215379912. Its totient is φ = 65327468472.

The previous prime is 70771424183. The next prime is 70771424197. The reversal of 70771424191 is 19142417707.

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 70771424191 - 2³ = 70771424183 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 (70771424197) 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, 2721977841 + ... + 2721977866.

It is an arithmetic number, because the mean of its divisors is an integer number (19053844978).

Almost surely, 2^70771424191 is an apocalyptic number.

70771424191 is a deficient number, since it is larger than the sum of its proper divisors (5443955721).

70771424191 is a wasteful number, since it uses less digits than its factorization.

70771424191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443955720.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 70771424191 in words is "seventy billion, seven hundred seventy-one million, four hundred twenty-four thousand, one hundred ninety-one".