2043631534 has 24 divisors (see below), whose sum is σ = 3641807520. Its totient is φ = 857205216.

The previous prime is 2043631531. The next prime is 2043631573. The reversal of 2043631534 is 4351363402.

It is a junction number, because it is equal to n+sod(n) for n = 2043631496 and 2043631505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043631531) 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, 217239 + ... + 226450.

It is an arithmetic number, because the mean of its divisors is an integer number (151741980).

Almost surely, 2^2043631534 is an apocalyptic number.

2043631534 is a deficient number, since it is larger than the sum of its proper divisors (1598175986).

2043631534 is a wasteful number, since it uses less digits than its factorization.

2043631534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443752 (or 443745 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 2043631534 is about 45206.5430441214. The cubic root of 2043631534 is about 1269.0172681498.

Adding to 2043631534 its reverse (4351363402), we get a palindrome (6394994936).

The spelling of 2043631534 in words is "two billion, forty-three million, six hundred thirty-one thousand, five hundred thirty-four".