2613765405 has 16 divisors (see below), whose sum is σ = 4187701440. Its totient is φ = 1392115968.

The previous prime is 2613765397. The next prime is 2613765409. The reversal of 2613765405 is 5045673162.

It is not a de Polignac number, because 2613765405 - 2³ = 2613765397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2613765409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106812 + ... + 128981.

It is an arithmetic number, because the mean of its divisors is an integer number (261731340).

Almost surely, 2^2613765405 is an apocalyptic number.

It is an amenable number.

2613765405 is a deficient number, since it is larger than the sum of its proper divisors (1573936035).

2613765405 is a wasteful number, since it uses less digits than its factorization.

2613765405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236540.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 2613765405 is about 51124.9978484107. The cubic root of 2613765405 is about 1377.4913123366.

The spelling of 2613765405 in words is "two billion, six hundred thirteen million, seven hundred sixty-five thousand, four hundred five".