543630849 has 16 divisors (see below), whose sum is σ = 766477824. Its totient is φ = 342172800.

The previous prime is 543630823. The next prime is 543630853. The reversal of 543630849 is 948036345.

It is not a de Polignac number, because 543630849 - 2⁵ = 543630817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 543630849.

It is not an unprimeable number, because it can be changed into a prime (543630349) 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, 67474 + ... + 75099.

It is an arithmetic number, because the mean of its divisors is an integer number (47904864).

Almost surely, 2^543630849 is an apocalyptic number.

It is an amenable number.

543630849 is a deficient number, since it is larger than the sum of its proper divisors (222846975).

543630849 is a wasteful number, since it uses less digits than its factorization.

543630849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142648.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 543630849 is about 23315.8926271331. The cubic root of 543630849 is about 816.1463282253.

The spelling of 543630849 in words is "five hundred forty-three million, six hundred thirty thousand, eight hundred forty-nine".