4963388281 has 4 divisors (see below), whose sum is σ = 5044755364. Its totient is φ = 4882021200.

The previous prime is 4963388279. The next prime is 4963388299. The reversal of 4963388281 is 1828833694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1828833694 = 2 ⋅914416847.

It can be written as a sum of positive squares in 2 ways, for example, as 1017035881 + 3946352400 = 31891^2 + 62820^2 .

It is a cyclic number.

It is not a de Polignac number, because 4963388281 - 2¹ = 4963388279 is a prime.

It is a super-2 number, since 2×4963388281² = 49270446455936269922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4963388081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40683450 + ... + 40683571.

It is an arithmetic number, because the mean of its divisors is an integer number (1261188841).

Almost surely, 2^4963388281 is an apocalyptic number.

It is an amenable number.

4963388281 is a deficient number, since it is larger than the sum of its proper divisors (81367083).

4963388281 is an equidigital number, since it uses as much as digits as its factorization.

4963388281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81367082.

The product of its digits is 1990656, while the sum is 52.

The square root of 4963388281 is about 70451.3185185345. The cubic root of 4963388281 is about 1705.7920407424.

The spelling of 4963388281 in words is "four billion, nine hundred sixty-three million, three hundred eighty-eight thousand, two hundred eighty-one".