3785833949 has 2 divisors, whose sum is σ = 3785833950. Its totient is φ = 3785833948.

The previous prime is 3785833939. The next prime is 3785833967. The reversal of 3785833949 is 9493385873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2552068324 + 1233765625 = 50518^2 + 35125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3785833949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3785833939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1892916974 + 1892916975.

It is an arithmetic number, because the mean of its divisors is an integer number (1892916975).

Almost surely, 2^3785833949 is an apocalyptic number.

It is an amenable number.

3785833949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3785833949 is an equidigital number, since it uses as much as digits as its factorization.

3785833949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 59.

The square root of 3785833949 is about 61529.1308974863. The cubic root of 3785833949 is about 1558.5492140154.

The spelling of 3785833949 in words is "three billion, seven hundred eighty-five million, eight hundred thirty-three thousand, nine hundred forty-nine".