4994961273481 has 9 divisors (see below), whose sum is σ = 5056054362061. Its totient is φ = 4934597752012.

The previous prime is 4994961273433. The next prime is 4994961273529. The reversal of 4994961273481 is 1843721694994.

The square root of 4994961273481 is 2234941.

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

It is an interprime number because it is at equal distance from previous prime (4994961273433) and next prime (4994961273529).

It is not a de Polignac number, because 4994961273481 - 2⁷ = 4994961273353 is a prime.

It is a super-2 number, since 2×4994961273481² (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 (4994961273431) 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, 185486640 + ... + 185513566.

Almost surely, 2^{4994961273481} is an apocalyptic number.

4994961273481 is the 2234941-st square number.

4994961273481 is the 1117471-st centered octagonal number.

It is an amenable number.

4994961273481 is a deficient number, since it is larger than the sum of its proper divisors (61093088580).

4994961273481 is an frugal number, since it uses more digits than its factorization.

4994961273481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54020 (or 27010 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 67.

The spelling of 4994961273481 in words is "four trillion, nine hundred ninety-four billion, nine hundred sixty-one million, two hundred seventy-three thousand, four hundred eighty-one".