17412743357 has 4 divisors (see below), whose sum is σ = 18437022396. Its totient is φ = 16388464320.

The previous prime is 17412743353. The next prime is 17412743389. The reversal of 17412743357 is 75334721471.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5095960996 + 12316782361 = 71386^2 + 110981^2 .

It is a cyclic number.

It is not a de Polignac number, because 17412743357 - 2² = 17412743353 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 (17412743353) 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, 512139494 + ... + 512139527.

It is an arithmetic number, because the mean of its divisors is an integer number (4609255599).

Almost surely, 2^17412743357 is an apocalyptic number.

17412743357 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

17412743357 is a deficient number, since it is larger than the sum of its proper divisors (1024279039).

17412743357 is a wasteful number, since it uses less digits than its factorization.

17412743357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024279038.

The product of its digits is 493920, while the sum is 44.

The spelling of 17412743357 in words is "seventeen billion, four hundred twelve million, seven hundred forty-three thousand, three hundred fifty-seven".