6481759537 has 8 divisors (see below), whose sum is σ = 7141021632. Its totient is φ = 5834166000.

The previous prime is 6481759523. The next prime is 6481759553. The reversal of 6481759537 is 7359571846.

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

It is a cyclic number.

It is not a de Polignac number, because 6481759537 - 2¹⁹ = 6481235249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6481759597) 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, 2915973 + ... + 2918194.

It is an arithmetic number, because the mean of its divisors is an integer number (892627704).

Almost surely, 2^6481759537 is an apocalyptic number.

It is an amenable number.

6481759537 is a deficient number, since it is larger than the sum of its proper divisors (659262095).

6481759537 is a wasteful number, since it uses less digits than its factorization.

6481759537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834279.

The product of its digits is 6350400, while the sum is 55.

The square root of 6481759537 is about 80509.3754602531. The cubic root of 6481759537 is about 1864.5082318373.

The spelling of 6481759537 in words is "six billion, four hundred eighty-one million, seven hundred fifty-nine thousand, five hundred thirty-seven".