4672052518581 has 96 divisors (see below), whose sum is σ = 7888550092800. Its totient is φ = 2609509364352.

The previous prime is 4672052518571. The next prime is 4672052518607. The reversal of 4672052518581 is 1858152502764.

4672052518581 is a `hidden beast` number, since 4 + 6 + 7 + 2 + 0 + 5 + 2 + 51 + 8 + 581 = 666.

It is not a de Polignac number, because 4672052518581 - 2¹⁰ = 4672052517557 is a prime.

It is a super-2 number, since 2×4672052518581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4672052518541) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 449273820 + ... + 449284218.

It is an arithmetic number, because the mean of its divisors is an integer number (82172396800).

Almost surely, 2^{4672052518581} is an apocalyptic number.

It is an amenable number.

4672052518581 is a deficient number, since it is larger than the sum of its proper divisors (3216497574219).

4672052518581 is a wasteful number, since it uses less digits than its factorization.

4672052518581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295 (or 11292 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 54.

The spelling of 4672052518581 in words is "four trillion, six hundred seventy-two billion, fifty-two million, five hundred eighteen thousand, five hundred eighty-one".