70913223571 has 4 divisors (see below), whose sum is σ = 73200746944. Its totient is φ = 68625700200.

The previous prime is 70913223569. The next prime is 70913223599. The reversal of 70913223571 is 17532231907.

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 70913223571 - 2¹ = 70913223569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70913223371) 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, 1143761640 + ... + 1143761701.

It is an arithmetic number, because the mean of its divisors is an integer number (18300186736).

Almost surely, 2^70913223571 is an apocalyptic number.

70913223571 is a deficient number, since it is larger than the sum of its proper divisors (2287523373).

70913223571 is a wasteful number, since it uses less digits than its factorization.

70913223571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287523372.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 70913223571 in words is "seventy billion, nine hundred thirteen million, two hundred twenty-three thousand, five hundred seventy-one".