6486145215548 has 24 divisors (see below), whose sum is σ = 11421163101600. Its totient is φ = 3222971514560.

The previous prime is 6486145215547. The next prime is 6486145215551. The reversal of 6486145215548 is 8455125416846.

It is a happy number.

It is a super-2 number, since 2×6486145215548² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486145215541) 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, 320648 + ... + 3615951.

It is an arithmetic number, because the mean of its divisors is an integer number (475881795900).

Almost surely, 2^{6486145215548} is an apocalyptic number.

It is an amenable number.

6486145215548 is a deficient number, since it is larger than the sum of its proper divisors (4935017886052).

6486145215548 is a wasteful number, since it uses less digits than its factorization.

6486145215548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939157 (or 3939155 counting only the distinct ones).

The product of its digits is 36864000, while the sum is 59.

The spelling of 6486145215548 in words is "six trillion, four hundred eighty-six billion, one hundred forty-five million, two hundred fifteen thousand, five hundred forty-eight".