4647742180146 has 48 divisors (see below), whose sum is σ = 11049349363416. Its totient is φ = 1403091975168.

The previous prime is 4647742180121. The next prime is 4647742180201. The reversal of 4647742180146 is 6410812477464.

4647742180146 is a `hidden beast` number, since 4 + 6 + 4 + 77 + 421 + 8 + 0 + 146 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2703081251025 + 1944660929121 = 1644105^2 + 1394511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4647742180092 and 4647742180101.

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, 187366335 + ... + 187391138.

Almost surely, 2^{4647742180146} is an apocalyptic number.

4647742180146 is an abundant number, since it is smaller than the sum of its proper divisors (6401607183270).

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

4647742180146 is a wasteful number, since it uses less digits than its factorization.

4647742180146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374757547 (or 374757544 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 4647742180146 in words is "four trillion, six hundred forty-seven billion, seven hundred forty-two million, one hundred eighty thousand, one hundred forty-six".