6486421031 has 16 divisors (see below), whose sum is σ = 6791752800. Its totient is φ = 6189273600.

The previous prime is 6486421021. The next prime is 6486421079. The reversal of 6486421031 is 1301246846.

It is a cyclic number.

It is not a de Polignac number, because 6486421031 - 2¹⁰ = 6486420007 is a prime.

It is a super-2 number, since 2×6486421031² = 84147315582798205922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6486420982 and 6486421000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486421021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440435 + ... + 454923.

It is an arithmetic number, because the mean of its divisors is an integer number (424484550).

Almost surely, 2^6486421031 is an apocalyptic number.

6486421031 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6486421031 is a deficient number, since it is larger than the sum of its proper divisors (305331769).

6486421031 is a wasteful number, since it uses less digits than its factorization.

6486421031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14770.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 6486421031 is about 80538.3202643313. The cubic root of 6486421031 is about 1864.9550915305.

Adding to 6486421031 its reverse (1301246846), we get a palindrome (7787667877).

The spelling of 6486421031 in words is "six billion, four hundred eighty-six million, four hundred twenty-one thousand, thirty-one".