4747148809494 has 48 divisors (see below), whose sum is σ = 11749494281472. Its totient is φ = 1251995288544.

The previous prime is 4747148809471. The next prime is 4747148809537. The reversal of 4747148809494 is 4949088417474.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334393354 + ... + 334407549.

It is an arithmetic number, because the mean of its divisors is an integer number (244781130864).

Almost surely, 2^{4747148809494} is an apocalyptic number.

4747148809494 is an abundant number, since it is smaller than the sum of its proper divisors (7002345471978).

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

4747148809494 is a wasteful number, since it uses less digits than its factorization.

4747148809494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668800941 (or 668800928 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 69.

The spelling of 4747148809494 in words is "four trillion, seven hundred forty-seven billion, one hundred forty-eight million, eight hundred nine thousand, four hundred ninety-four".