70693225817 has 4 divisors (see below), whose sum is σ = 70693931700. Its totient is φ = 70692519936.

The previous prime is 70693225793. The next prime is 70693225819. The reversal of 70693225817 is 71852239607.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71852239607 = 209977 ⋅342191.

It can be written as a sum of positive squares in 2 ways, for example, as 23303854336 + 47389371481 = 152656^2 + 217691^2 .

It is a cyclic number.

It is not a de Polignac number, because 70693225817 - 2²² = 70689031513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70693225819) 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, 171692 + ... + 413357.

It is an arithmetic number, because the mean of its divisors is an integer number (17673482925).

Almost surely, 2^70693225817 is an apocalyptic number.

It is an amenable number.

70693225817 is a deficient number, since it is larger than the sum of its proper divisors (705883).

70693225817 is a wasteful number, since it uses less digits than its factorization.

70693225817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705882.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 70693225817 in words is "seventy billion, six hundred ninety-three million, two hundred twenty-five thousand, eight hundred seventeen".