5495940981 has 12 divisors (see below), whose sum is σ = 8132205900. Its totient is φ = 3574595520.

The previous prime is 5495940959. The next prime is 5495940997. The reversal of 5495940981 is 1890495945.

5495940981 is a `hidden beast` number, since 5 + 49 + 594 + 0 + 9 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3095920881 + 2400020100 = 55641^2 + 48990^2 .

It is not a de Polignac number, because 5495940981 - 2²⁷ = 5361723253 is a prime.

It is a super-2 number, since 2×5495940981² = 60410734533270484722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5495940581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7446706 + ... + 7447443.

It is an arithmetic number, because the mean of its divisors is an integer number (677683825).

Almost surely, 2^5495940981 is an apocalyptic number.

It is an amenable number.

5495940981 is a deficient number, since it is larger than the sum of its proper divisors (2636264919).

5495940981 is a wasteful number, since it uses less digits than its factorization.

5495940981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14894196 (or 14894193 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The square root of 5495940981 is about 74134.6139195450. The cubic root of 5495940981 is about 1764.7398259191.

The spelling of 5495940981 in words is "five billion, four hundred ninety-five million, nine hundred forty thousand, nine hundred eighty-one".