4576947467581 has 2 divisors, whose sum is σ = 4576947467582. Its totient is φ = 4576947467580.

The previous prime is 4576947467567. The next prime is 4576947467623. The reversal of 4576947467581 is 1857647496754.

4576947467581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4301496740025 + 275450727556 = 2074005^2 + 524834^2 .

It is a cyclic number.

It is not a de Polignac number, because 4576947467581 - 2¹³ = 4576947459389 is a prime.

It is a super-2 number, since 2×4576947467581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4576947464581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2288473733790 + 2288473733791.

It is an arithmetic number, because the mean of its divisors is an integer number (2288473733791).

Almost surely, 2^{4576947467581} is an apocalyptic number.

It is an amenable number.

4576947467581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4576947467581 is an equidigital number, since it uses as much as digits as its factorization.

4576947467581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1422489600, while the sum is 73.

The spelling of 4576947467581 in words is "four trillion, five hundred seventy-six billion, nine hundred forty-seven million, four hundred sixty-seven thousand, five hundred eighty-one".