549433948154 has 48 divisors (see below), whose sum is σ = 1038478113792. Its totient is φ = 212303506464.

The previous prime is 549433948127. The next prime is 549433948159. The reversal of 549433948154 is 451849334945.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 549433948093 and 549433948102.

It is not an unprimeable number, because it can be changed into a prime (549433948159) 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, 479834 + ... + 1152869.

It is an arithmetic number, because the mean of its divisors is an integer number (21634960704).

Almost surely, 2^549433948154 is an apocalyptic number.

549433948154 is a deficient number, since it is larger than the sum of its proper divisors (489044165638).

549433948154 is a wasteful number, since it uses less digits than its factorization.

549433948154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632811 (or 1632768 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 59.

The spelling of 549433948154 in words is "five hundred forty-nine billion, four hundred thirty-three million, nine hundred forty-eight thousand, one hundred fifty-four".