4661747547321 has 16 divisors (see below), whose sum is σ = 6278318648000. Its totient is φ = 3076632203328.

The previous prime is 4661747547307. The next prime is 4661747547397. The reversal of 4661747547321 is 1237457471664.

It is not a de Polignac number, because 4661747547321 - 2⁹ = 4661747546809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4661747547421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15870586 + ... + 16161651.

It is an arithmetic number, because the mean of its divisors is an integer number (392394915500).

Almost surely, 2^{4661747547321} is an apocalyptic number.

It is an amenable number.

4661747547321 is a deficient number, since it is larger than the sum of its proper divisors (1616571100679).

4661747547321 is a wasteful number, since it uses less digits than its factorization.

4661747547321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32032728.

The product of its digits is 23708160, while the sum is 57.

The spelling of 4661747547321 in words is "four trillion, six hundred sixty-one billion, seven hundred forty-seven million, five hundred forty-seven thousand, three hundred twenty-one".