9049044961857 has 16 divisors (see below), whose sum is σ = 12136032946688. Its totient is φ = 5997450625920.

The previous prime is 9049044961763. The next prime is 9049044961889. The reversal of 9049044961857 is 7581694409409.

It is not a de Polignac number, because 9049044961857 - 2¹⁰ = 9049044960833 is a prime.

It is a super-3 number, since 3×9049044961857³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9049044961457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8736244 + ... + 9716997.

It is an arithmetic number, because the mean of its divisors is an integer number (758502059168).

Almost surely, 2^{9049044961857} is an apocalyptic number.

It is an amenable number.

9049044961857 is a deficient number, since it is larger than the sum of its proper divisors (3086987984831).

9049044961857 is a wasteful number, since it uses less digits than its factorization.

9049044961857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18454200.

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 9049044961857 in words is "nine trillion, forty-nine billion, forty-four million, nine hundred sixty-one thousand, eight hundred fifty-seven".