6461367842764 has 24 divisors (see below), whose sum is σ = 11532934109088. Its totient is φ = 3166769854080.

The previous prime is 6461367842717. The next prime is 6461367842777. The reversal of 6461367842764 is 4672487631646.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6461367842696 and 6461367842705.

It is an unprimeable number.

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, 65706057 + ... + 65804320.

It is an arithmetic number, because the mean of its divisors is an integer number (480538921212).

Almost surely, 2^{6461367842764} is an apocalyptic number.

It is an amenable number.

6461367842764 is a deficient number, since it is larger than the sum of its proper divisors (5071566266324).

6461367842764 is a wasteful number, since it uses less digits than its factorization.

6461367842764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131510625 (or 131510623 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 64.

The spelling of 6461367842764 in words is "six trillion, four hundred sixty-one billion, three hundred sixty-seven million, eight hundred forty-two thousand, seven hundred sixty-four".