3886442954849 has 16 divisors (see below), whose sum is σ = 4791067010688. Its totient is φ = 3070004015232.

The previous prime is 3886442954809. The next prime is 3886442954861. The reversal of 3886442954849 is 9484592446883.

It is not a de Polignac number, because 3886442954849 - 2¹⁶ = 3886442889313 is a prime.

It is a super-2 number, since 2×3886442954849² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3886442954809) 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, 34553387 + ... + 34665680.

It is an arithmetic number, because the mean of its divisors is an integer number (299441688168).

Almost surely, 2^{3886442954849} is an apocalyptic number.

It is an amenable number.

3886442954849 is a deficient number, since it is larger than the sum of its proper divisors (904624055839).

3886442954849 is a wasteful number, since it uses less digits than its factorization.

3886442954849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69219704.

The product of its digits is 1911029760, while the sum is 74.

The spelling of 3886442954849 in words is "three trillion, eight hundred eighty-six billion, four hundred forty-two million, nine hundred fifty-four thousand, eight hundred forty-nine".