6546818949 has 32 divisors (see below), whose sum is σ = 10135756800. Its totient is φ = 3714758400.

The previous prime is 6546818939. The next prime is 6546818981. The reversal of 6546818949 is 9498186456.

It is not a de Polignac number, because 6546818949 - 2¹⁶ = 6546753413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6546818892 and 6546818901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6546818939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76602 + ... + 137700.

It is an arithmetic number, because the mean of its divisors is an integer number (316742400).

Almost surely, 2^6546818949 is an apocalyptic number.

It is an amenable number.

6546818949 is a deficient number, since it is larger than the sum of its proper divisors (3588937851).

6546818949 is a wasteful number, since it uses less digits than its factorization.

6546818949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61321.

The product of its digits is 14929920, while the sum is 60.

The square root of 6546818949 is about 80912.4152957999. The cubic root of 6546818949 is about 1870.7256898250.

The spelling of 6546818949 in words is "six billion, five hundred forty-six million, eight hundred eighteen thousand, nine hundred forty-nine".