543393963 has 12 divisors (see below), whose sum is σ = 897031408. Its totient is φ = 310510800.

The previous prime is 543393943. The next prime is 543393971. The reversal of 543393963 is 369393345.

It is not a de Polignac number, because 543393963 - 2⁸ = 543393707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543393943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4312588 + ... + 4312713.

Almost surely, 2^543393963 is an apocalyptic number.

543393963 is a deficient number, since it is larger than the sum of its proper divisors (353637445).

543393963 is a wasteful number, since it uses less digits than its factorization.

543393963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8625314 (or 8625311 counting only the distinct ones).

The product of its digits is 787320, while the sum is 45.

The square root of 543393963 is about 23310.8121480141. The cubic root of 543393963 is about 816.0277663202.

The spelling of 543393963 in words is "five hundred forty-three million, three hundred ninety-three thousand, nine hundred sixty-three".