2605135763 has 8 divisors (see below), whose sum is σ = 2653482240. Its totient is φ = 2557113160.

The previous prime is 2605135759. The next prime is 2605135781. The reversal of 2605135763 is 3675315062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2605135763 - 2² = 2605135759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2605135783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64703 + ... + 96936.

It is an arithmetic number, because the mean of its divisors is an integer number (331685280).

Almost surely, 2^2605135763 is an apocalyptic number.

2605135763 is a deficient number, since it is larger than the sum of its proper divisors (48346477).

2605135763 is a wasteful number, since it uses less digits than its factorization.

2605135763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161937.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 2605135763 is about 51040.5305908941. The cubic root of 2605135763 is about 1375.9736597725.

The spelling of 2605135763 in words is "two billion, six hundred five million, one hundred thirty-five thousand, seven hundred sixty-three".