2947647654 has 24 divisors (see below), whose sum is σ = 7298937360. Its totient is φ = 842185008.

The previous prime is 2947647653. The next prime is 2947647691. The reversal of 2947647654 is 4567467492.

2947647654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2947647654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947647653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11696889 + ... + 11697140.

It is an arithmetic number, because the mean of its divisors is an integer number (304122390).

Almost surely, 2^2947647654 is an apocalyptic number.

2947647654 is an abundant number, since it is smaller than the sum of its proper divisors (4351289706).

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

2947647654 is a wasteful number, since it uses less digits than its factorization.

2947647654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23394044 (or 23394041 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The square root of 2947647654 is about 54292.2430371043. The cubic root of 2947647654 is about 1433.8108297814.

The spelling of 2947647654 in words is "two billion, nine hundred forty-seven million, six hundred forty-seven thousand, six hundred fifty-four".