2947747394000 has 80 divisors (see below), whose sum is σ = 7170334569216. Its totient is φ = 1172038352000.

The previous prime is 2947747393999. The next prime is 2947747394057. The reversal of 2947747394000 is 4937477492.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 4078796 + ... + 4746795.

Almost surely, 2^{2947747394000} is an apocalyptic number.

2947747394000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2947747394000 is an abundant number, since it is smaller than the sum of its proper divisors (4222587175216).

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

2947747394000 is a wasteful number, since it uses less digits than its factorization.

2947747394000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8825781 (or 8825765 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 2947747394000 in words is "two trillion, nine hundred forty-seven billion, seven hundred forty-seven million, three hundred ninety-four thousand".