4939732947601 has 9 divisors (see below), whose sum is σ = 4976359325371. Its totient is φ = 4903374235792.

The previous prime is 4939732947599. The next prime is 4939732947619. The reversal of 4939732947601 is 1067492379394.

The square root of 4939732947601 is 2222551.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2901622662225 + 2038110285376 = 1703415^2 + 1427624^2 .

It is not a de Polignac number, because 4939732947601 - 2¹ = 4939732947599 is a prime.

It is a super-2 number, since 2×4939732947601² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4939732947701) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 304481376 + ... + 304497598.

Almost surely, 2^{4939732947601} is an apocalyptic number.

4939732947601 is the 2222551-st square number.

4939732947601 is the 1111276-th centered octagonal number.

It is an amenable number.

4939732947601 is a deficient number, since it is larger than the sum of its proper divisors (36626377770).

4939732947601 is an frugal number, since it uses more digits than its factorization.

4939732947601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32720 (or 16360 counting only the distinct ones).

The product of its (nonzero) digits is 61725888, while the sum is 64.

Multiplying 4939732947601 by its sum of digits (64), we get a square (316142908646464 = 17780408²).

The spelling of 4939732947601 in words is "four trillion, nine hundred thirty-nine billion, seven hundred thirty-two million, nine hundred forty-seven thousand, six hundred one".