3875521049 has 2 divisors, whose sum is σ = 3875521050. Its totient is φ = 3875521048.

The previous prime is 3875521043. The next prime is 3875521057. The reversal of 3875521049 is 9401255783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3793944025 + 81577024 = 61595^2 + 9032^2 .

It is an emirp because it is prime and its reverse (9401255783) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3875521049 is a prime.

It is not a weakly prime, because it can be changed into another prime (3875521043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937760524 + 1937760525.

It is an arithmetic number, because the mean of its divisors is an integer number (1937760525).

Almost surely, 2^3875521049 is an apocalyptic number.

It is an amenable number.

3875521049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3875521049 is an equidigital number, since it uses as much as digits as its factorization.

3875521049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 3875521049 is about 62253.6830155454. The cubic root of 3875521049 is about 1570.7607236103.

The spelling of 3875521049 in words is "three billion, eight hundred seventy-five million, five hundred twenty-one thousand, forty-nine".