3882694649 has 2 divisors, whose sum is σ = 3882694650. Its totient is φ = 3882694648.

The previous prime is 3882694633. The next prime is 3882694657. The reversal of 3882694649 is 9464962883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2992090000 + 890604649 = 54700^2 + 29843^2 .

It is a cyclic number.

It is not a de Polignac number, because 3882694649 - 2⁴ = 3882694633 is a prime.

It is not a weakly prime, because it can be changed into another prime (3882694679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1941347324 + 1941347325.

It is an arithmetic number, because the mean of its divisors is an integer number (1941347325).

Almost surely, 2^3882694649 is an apocalyptic number.

It is an amenable number.

3882694649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3882694649 is an equidigital number, since it uses as much as digits as its factorization.

3882694649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17915904, while the sum is 59.

The square root of 3882694649 is about 62311.2722466810. The cubic root of 3882694649 is about 1571.7292870415.

The spelling of 3882694649 in words is "three billion, eight hundred eighty-two million, six hundred ninety-four thousand, six hundred forty-nine".