4781187605 has 4 divisors (see below), whose sum is σ = 5737425132. Its totient is φ = 3824950080.

The previous prime is 4781187577. The next prime is 4781187617. The reversal of 4781187605 is 5067811874.

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 2404235089 + 2376952516 = 49033^2 + 48754^2 .

It is not a de Polignac number, because 4781187605 - 2⁸ = 4781187349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4781187605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478118756 + ... + 478118765.

It is an arithmetic number, because the mean of its divisors is an integer number (1434356283).

Almost surely, 2^4781187605 is an apocalyptic number.

It is an amenable number.

4781187605 is a deficient number, since it is larger than the sum of its proper divisors (956237527).

4781187605 is an equidigital number, since it uses as much as digits as its factorization.

4781187605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956237526.

The product of its (nonzero) digits is 376320, while the sum is 47.

The square root of 4781187605 is about 69146.1322490275. The cubic root of 4781187605 is about 1684.6586969089.

The spelling of 4781187605 in words is "four billion, seven hundred eighty-one million, one hundred eighty-seven thousand, six hundred five".