4905181279081 has 16 divisors (see below), whose sum is σ = 5024778490368. Its totient is φ = 4787227526400.

The previous prime is 4905181279057. The next prime is 4905181279087. The reversal of 4905181279081 is 1809721815094.

It is a cyclic number.

It is not a de Polignac number, because 4905181279081 - 2⁷ = 4905181278953 is a prime.

It is a super-2 number, since 2×4905181279081² (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 (4905181279087) 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, 2321776 + ... + 3898846.

It is an arithmetic number, because the mean of its divisors is an integer number (314048655648).

Almost surely, 2^{4905181279081} is an apocalyptic number.

It is an amenable number.

4905181279081 is a deficient number, since it is larger than the sum of its proper divisors (119597211287).

4905181279081 is a wasteful number, since it uses less digits than its factorization.

4905181279081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577592.

The product of its (nonzero) digits is 1451520, while the sum is 55.

The spelling of 4905181279081 in words is "four trillion, nine hundred five billion, one hundred eighty-one million, two hundred seventy-nine thousand, eighty-one".