4920743681 has 4 divisors (see below), whose sum is σ = 5623707072. Its totient is φ = 4217780292.

The previous prime is 4920743647. The next prime is 4920743683. The reversal of 4920743681 is 1863470294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4920743681 - 2¹⁰ = 4920742657 is a prime.

It is a super-2 number, since 2×4920743681² = 48427436748202859522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4920743683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351481685 + ... + 351481698.

It is an arithmetic number, because the mean of its divisors is an integer number (1405926768).

Almost surely, 2^4920743681 is an apocalyptic number.

It is an amenable number.

4920743681 is a deficient number, since it is larger than the sum of its proper divisors (702963391).

4920743681 is an equidigital number, since it uses as much as digits as its factorization.

4920743681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702963390.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 4920743681 is about 70148.0126660763. The cubic root of 4920743681 is about 1700.8926892882.

The spelling of 4920743681 in words is "four billion, nine hundred twenty million, seven hundred forty-three thousand, six hundred eighty-one".