4620757481 has 4 divisors (see below), whose sum is σ = 4629836100. Its totient is φ = 4611678864.

The previous prime is 4620757429. The next prime is 4620757487. The reversal of 4620757481 is 1847570264.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4145299456 + 475458025 = 64384^2 + 21805^2 .

It is a cyclic number.

It is not a de Polignac number, because 4620757481 - 2¹⁸ = 4620495337 is a prime.

It is a super-2 number, since 2×4620757481² = 42702799396434930722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4620757487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4538546 + ... + 4539563.

It is an arithmetic number, because the mean of its divisors is an integer number (1157459025).

Almost surely, 2^4620757481 is an apocalyptic number.

It is an amenable number.

4620757481 is a deficient number, since it is larger than the sum of its proper divisors (9078619).

4620757481 is an equidigital number, since it uses as much as digits as its factorization.

4620757481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9078618.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 4620757481 is about 67976.1537673323. The cubic root of 4620757481 is about 1665.6013280083.

The spelling of 4620757481 in words is "four billion, six hundred twenty million, seven hundred fifty-seven thousand, four hundred eighty-one".