6461239990582 has 16 divisors (see below), whose sum is σ = 10451904240960. Its totient is φ = 2977963175232.

The previous prime is 6461239990529. The next prime is 6461239990589. The reversal of 6461239990582 is 2850999321646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461239990589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172797183 + ... + 172834570.

It is an arithmetic number, because the mean of its divisors is an integer number (653244015060).

Almost surely, 2^{6461239990582} is an apocalyptic number.

6461239990582 is a deficient number, since it is larger than the sum of its proper divisors (3990664250378).

6461239990582 is a wasteful number, since it uses less digits than its factorization.

6461239990582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345632487.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 6461239990582 in words is "six trillion, four hundred sixty-one billion, two hundred thirty-nine million, nine hundred ninety thousand, five hundred eighty-two".