6642760486 has 8 divisors (see below), whose sum is σ = 10195865064. Its totient is φ = 3244138800.

The previous prime is 6642760471. The next prime is 6642760519. The reversal of 6642760486 is 6840672466.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38620615 + ... + 38620786.

It is an arithmetic number, because the mean of its divisors is an integer number (1274483133).

Almost surely, 2^6642760486 is an apocalyptic number.

6642760486 is a deficient number, since it is larger than the sum of its proper divisors (3553104578).

6642760486 is a wasteful number, since it uses less digits than its factorization.

6642760486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77241446.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The square root of 6642760486 is about 81503.1317557798. The cubic root of 6642760486 is about 1879.8197056239.

The spelling of 6642760486 in words is "six billion, six hundred forty-two million, seven hundred sixty thousand, four hundred eighty-six".