4781536465 has 4 divisors (see below), whose sum is σ = 5737843764. Its totient is φ = 3825229168.

The previous prime is 4781536453. The next prime is 4781536483. The reversal of 4781536465 is 5646351874.

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 3139585024 + 1641951441 = 56032^2 + 40521^2 .

It is a cyclic number.

It is not a de Polignac number, because 4781536465 - 2⁷ = 4781536337 is a prime.

It is a super-2 number, since 2×4781536465² = 45726181932249392450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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, 478153642 + ... + 478153651.

It is an arithmetic number, because the mean of its divisors is an integer number (1434460941).

Almost surely, 2^4781536465 is an apocalyptic number.

It is an amenable number.

4781536465 is a deficient number, since it is larger than the sum of its proper divisors (956307299).

4781536465 is an equidigital number, since it uses as much as digits as its factorization.

4781536465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956307298.

The product of its digits is 2419200, while the sum is 49.

The square root of 4781536465 is about 69148.6548314571. The cubic root of 4781536465 is about 1684.6996696956.

The spelling of 4781536465 in words is "four billion, seven hundred eighty-one million, five hundred thirty-six thousand, four hundred sixty-five".