9457984897549 has 6 divisors (see below), whose sum is σ = 10047063541994. Its totient is φ = 8901632844480.

The previous prime is 9457984897507. The next prime is 9457984897573.

9457984897549 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 6784409996100 + 2673574901449 = 2604690^2 + 1635107^2 .

It is not a de Polignac number, because 9457984897549 - 2¹⁵ = 9457984864781 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9457984897549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9457984897649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16363295382 + ... + 16363295959.

Almost surely, 2^{9457984897549} is an apocalyptic number.

It is an amenable number.

9457984897549 is a deficient number, since it is larger than the sum of its proper divisors (589078644445).

9457984897549 is a wasteful number, since it uses less digits than its factorization.

9457984897549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32726591375 (or 32726591358 counting only the distinct ones).

The product of its digits is 32920473600, while the sum is 88.

The spelling of 9457984897549 in words is "nine trillion, four hundred fifty-seven billion, nine hundred eighty-four million, eight hundred ninety-seven thousand, five hundred forty-nine".