6461385061 has 8 divisors (see below), whose sum is σ = 6561178560. Its totient is φ = 6361690368.

The previous prime is 6461385053. The next prime is 6461385121. The reversal of 6461385061 is 1605831646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6461385061 - 2³ = 6461385053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461385011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112965 + ... + 160261.

It is an arithmetic number, because the mean of its divisors is an integer number (820147320).

Almost surely, 2^6461385061 is an apocalyptic number.

It is an amenable number.

6461385061 is a deficient number, since it is larger than the sum of its proper divisors (99793499).

6461385061 is a wasteful number, since it uses less digits than its factorization.

6461385061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49403.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 6461385061 is about 80382.7410642359. The cubic root of 6461385061 is about 1862.5525770843.

The spelling of 6461385061 in words is "six billion, four hundred sixty-one million, three hundred eighty-five thousand, sixty-one".