5451731049 has 8 divisors (see below), whose sum is σ = 7438020832. Its totient is φ = 3549964320.

The previous prime is 5451731027. The next prime is 5451731059. The reversal of 5451731049 is 9401371545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5451731049 - 2¹¹ = 5451729001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5451730998 and 5451731016.

It is not an unprimeable number, because it can be changed into a prime (5451731059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21130612 + ... + 21130869.

It is an arithmetic number, because the mean of its divisors is an integer number (929752604).

Almost surely, 2^5451731049 is an apocalyptic number.

It is an amenable number.

5451731049 is a deficient number, since it is larger than the sum of its proper divisors (1986289783).

5451731049 is a wasteful number, since it uses less digits than its factorization.

5451731049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42261527.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 5451731049 is about 73835.8385135565. The cubic root of 5451731049 is about 1759.9951628009.

The spelling of 5451731049 in words is "five billion, four hundred fifty-one million, seven hundred thirty-one thousand, forty-nine".