9851106734257 has 24 divisors (see below), whose sum is σ = 11034737611040. Its totient is φ = 8768263633920.

The previous prime is 9851106734243. The next prime is 9851106734267. The reversal of 9851106734257 is 7524376011589.

It is not a de Polignac number, because 9851106734257 - 2⁷ = 9851106734129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9851106734267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1564393 + ... + 4706329.

It is a 2-persistent number, because it is pandigital, and so is 2⋅9851106734257 = 19702213468514, but 3⋅9851106734257 = 29553320202771 is not.

Almost surely, 2^{9851106734257} is an apocalyptic number.

It is an amenable number.

9851106734257 is a deficient number, since it is larger than the sum of its proper divisors (1183630876783).

9851106734257 is a wasteful number, since it uses less digits than its factorization.

9851106734257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142561 (or 3142544 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 9851106734257 in words is "nine trillion, eight hundred fifty-one billion, one hundred six million, seven hundred thirty-four thousand, two hundred fifty-seven".