4745161621647 has 12 divisors (see below), whose sum is σ = 6854264181960. Its totient is φ = 3163375616688.

The previous prime is 4745161621643. The next prime is 4745161621663. The reversal of 4745161621647 is 7461261615474.

4745161621647 is a `hidden beast` number, since 4 + 7 + 4 + 5 + 1 + 6 + 1 + 621 + 6 + 4 + 7 = 666.

It is not a de Polignac number, because 4745161621647 - 2² = 4745161621643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4745161621593 and 4745161621602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4745161621643) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4994248 + ... + 5867949.

It is an arithmetic number, because the mean of its divisors is an integer number (571188681830).

Almost surely, 2^{4745161621647} is an apocalyptic number.

4745161621647 is a deficient number, since it is larger than the sum of its proper divisors (2109102560313).

4745161621647 is a wasteful number, since it uses less digits than its factorization.

4745161621647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910742 (or 10910739 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 4745161621647 in words is "four trillion, seven hundred forty-five billion, one hundred sixty-one million, six hundred twenty-one thousand, six hundred forty-seven".