3786225813 has 6 divisors (see below), whose sum is σ = 5468992854. Its totient is φ = 2524150536.

The previous prime is 3786225791. The next prime is 3786225851. The reversal of 3786225813 is 3185226873.

3786225813 is a `hidden beast` number, since 3 + 7 + 8 + 62 + 2 + 581 + 3 = 666.

3786225813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2858292369 + 927933444 = 53463^2 + 30462^2 .

It is not a de Polignac number, because 3786225813 - 2⁶ = 3786225749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3786225613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210345870 + ... + 210345887.

It is an arithmetic number, because the mean of its divisors is an integer number (911498809).

Almost surely, 2^3786225813 is an apocalyptic number.

It is an amenable number.

3786225813 is a deficient number, since it is larger than the sum of its proper divisors (1682767041).

3786225813 is a wasteful number, since it uses less digits than its factorization.

3786225813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420691763 (or 420691760 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 3786225813 is about 61532.3151929131. The cubic root of 3786225813 is about 1558.6029862504.

The spelling of 3786225813 in words is "three billion, seven hundred eighty-six million, two hundred twenty-five thousand, eight hundred thirteen".