5681634503 has 4 divisors (see below), whose sum is σ = 5788835208. Its totient is φ = 5574433800.

The previous prime is 5681634479. The next prime is 5681634509. The reversal of 5681634503 is 3054361865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5681634503 - 2²⁰ = 5680585927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681634509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53600273 + ... + 53600378.

It is an arithmetic number, because the mean of its divisors is an integer number (1447208802).

Almost surely, 2^5681634503 is an apocalyptic number.

5681634503 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5681634503 is a deficient number, since it is larger than the sum of its proper divisors (107200705).

5681634503 is a wasteful number, since it uses less digits than its factorization.

5681634503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107200704.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 5681634503 is about 75376.6177471502. The cubic root of 5681634503 is about 1784.3954100137.

It can be divided in two parts, 56816 and 34503, that added together give a palindrome (91319).

The spelling of 5681634503 in words is "five billion, six hundred eighty-one million, six hundred thirty-four thousand, five hundred three".