6615782463 has 16 divisors (see below), whose sum is σ = 9482872320. Its totient is φ = 4089485376.

The previous prime is 6615782429. The next prime is 6615782477. The reversal of 6615782463 is 3642875166.

It is not a de Polignac number, because 6615782463 - 2¹³ = 6615774271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6615782413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1232070 + ... + 1237427.

It is an arithmetic number, because the mean of its divisors is an integer number (592679520).

Almost surely, 2^6615782463 is an apocalyptic number.

6615782463 is a deficient number, since it is larger than the sum of its proper divisors (2867089857).

6615782463 is a wasteful number, since it uses less digits than its factorization.

6615782463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469566.

The product of its digits is 1451520, while the sum is 48.

The square root of 6615782463 is about 81337.4603918760. The cubic root of 6615782463 is about 1877.2714362811.

The spelling of 6615782463 in words is "six billion, six hundred fifteen million, seven hundred eighty-two thousand, four hundred sixty-three".