2947747394048 has 90 divisors (see below), whose sum is σ = 6158813603019. Its totient is φ = 1409364892672.

The previous prime is 2947747393999. The next prime is 2947747394057. The reversal of 2947747394048 is 8404937477492.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1473873697024 + 1473873697024 = 1214032^2 + 1214032^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1214032.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 893525903 + ... + 893529201.

Almost surely, 2^{2947747394048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2947747394048

2947747394048 is an abundant number, since it is smaller than the sum of its proper divisors (3211066208971).

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

2947747394048 is an frugal number, since it uses more digits than its factorization.

2947747394048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6662 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 341397504, while the sum is 68.

The spelling of 2947747394048 in words is "two trillion, nine hundred forty-seven billion, seven hundred forty-seven million, three hundred ninety-four thousand, forty-eight".