49719000666 has 32 divisors (see below), whose sum is σ = 107527461120. Its totient is φ = 15266241536.

The previous prime is 49719000659. The next prime is 49719000691. The reversal of 49719000666 is 66600091794.

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 15 ways as a sum of consecutive naturals, for example, 5180751 + ... + 5190338.

It is an arithmetic number, because the mean of its divisors is an integer number (3360233160).

Almost surely, 2^49719000666 is an apocalyptic number.

49719000666 is an abundant number, since it is smaller than the sum of its proper divisors (57808460454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49719000666 is a wasteful number, since it uses less digits than its factorization.

49719000666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371158.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 49719000666 in words is "forty-nine billion, seven hundred nineteen million, six hundred sixty-six", and thus it is an aban number.