17122072813 has 4 divisors (see below), whose sum is σ = 18023234560. Its totient is φ = 16220911068.

The previous prime is 17122072811. The next prime is 17122072823. The reversal of 17122072813 is 31827022171.

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.

It is a cyclic number.

It is not a de Polignac number, because 17122072813 - 2¹ = 17122072811 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 (17122072811) 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, 450580845 + ... + 450580882.

It is an arithmetic number, because the mean of its divisors is an integer number (4505808640).

Almost surely, 2^17122072813 is an apocalyptic number.

It is an amenable number.

17122072813 is a deficient number, since it is larger than the sum of its proper divisors (901161747).

17122072813 is an equidigital number, since it uses as much as digits as its factorization.

17122072813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901161746.

The product of its (nonzero) digits is 9408, while the sum is 34.

Adding to 17122072813 its reverse (31827022171), we get a palindrome (48949094984).

The spelling of 17122072813 in words is "seventeen billion, one hundred twenty-two million, seventy-two thousand, eight hundred thirteen".