47949000646 has 8 divisors (see below), whose sum is σ = 71931150720. Its totient is φ = 23971950408.

The previous prime is 47949000643. The next prime is 47949000683. The reversal of 47949000646 is 64600094974.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47949000646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47949000643) 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 3 ways as a sum of consecutive naturals, for example, 1251366 + ... + 1289113.

It is an arithmetic number, because the mean of its divisors is an integer number (8991393840).

Almost surely, 2^47949000646 is an apocalyptic number.

47949000646 is a deficient number, since it is larger than the sum of its proper divisors (23982150074).

47949000646 is a wasteful number, since it uses less digits than its factorization.

47949000646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549918.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 47949000646 in words is "forty-seven billion, nine hundred forty-nine million, six hundred forty-six", and thus it is an aban number.