6486850781 has 8 divisors (see below), whose sum is σ = 7048531200. Its totient is φ = 5947197120.

The previous prime is 6486850771. The next prime is 6486850787. The reversal of 6486850781 is 1870586846.

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 6486850781 - 2¹⁸ = 6486588637 is a prime.

It is a super-2 number, since 2×6486850781² = 84158466109920619922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486850787) 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, 5506076 + ... + 5507253.

It is an arithmetic number, because the mean of its divisors is an integer number (881066400).

Almost surely, 2^6486850781 is an apocalyptic number.

It is an amenable number.

6486850781 is a deficient number, since it is larger than the sum of its proper divisors (561680419).

6486850781 is a wasteful number, since it uses less digits than its factorization.

6486850781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11013379.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 6486850781 is about 80540.9882047644. The cubic root of 6486850781 is about 1864.9962774042.

The spelling of 6486850781 in words is "six billion, four hundred eighty-six million, eight hundred fifty thousand, seven hundred eighty-one".