70938225317 has 4 divisors (see below), whose sum is σ = 70938762336. Its totient is φ = 70937688300.

The previous prime is 70938225313. The next prime is 70938225343. The reversal of 70938225317 is 71352283907.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 70938225317 - 2² = 70938225313 is a prime.

It is a super-2 number, since 2×70938225317² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70938225313) 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, 83192 + ... + 385742.

It is an arithmetic number, because the mean of its divisors is an integer number (17734690584).

Almost surely, 2^70938225317 is an apocalyptic number.

It is an amenable number.

70938225317 is a deficient number, since it is larger than the sum of its proper divisors (537019).

70938225317 is a wasteful number, since it uses less digits than its factorization.

70938225317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537018.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 70938225317 in words is "seventy billion, nine hundred thirty-eight million, two hundred twenty-five thousand, three hundred seventeen".