3765705249 has 16 divisors (see below), whose sum is σ = 5072974272. Its totient is φ = 2484500928.

The previous prime is 3765705233. The next prime is 3765705259. The reversal of 3765705249 is 9425075673.

It is not a de Polignac number, because 3765705249 - 2⁴ = 3765705233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3765705198 and 3765705207.

It is not an unprimeable number, because it can be changed into a prime (3765705259) 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, 345487 + ... + 356219.

It is an arithmetic number, because the mean of its divisors is an integer number (317060892).

Almost surely, 2^3765705249 is an apocalyptic number.

It is an amenable number.

3765705249 is a deficient number, since it is larger than the sum of its proper divisors (1307269023).

3765705249 is a wasteful number, since it uses less digits than its factorization.

3765705249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11936.

The product of its (nonzero) digits is 1587600, while the sum is 48.

The square root of 3765705249 is about 61365.3424092134. The cubic root of 3765705249 is about 1555.7821148698.

The spelling of 3765705249 in words is "three billion, seven hundred sixty-five million, seven hundred five thousand, two hundred forty-nine".