3872636739 has 12 divisors (see below), whose sum is σ = 5617216800. Its totient is φ = 2570954064.

The previous prime is 3872636689. The next prime is 3872636741. The reversal of 3872636739 is 9376362783.

It is not a de Polignac number, because 3872636739 - 2⁷ = 3872636611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3872636759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898044 + ... + 902345.

It is an arithmetic number, because the mean of its divisors is an integer number (468101400).

Almost surely, 2^3872636739 is an apocalyptic number.

3872636739 is a deficient number, since it is larger than the sum of its proper divisors (1744580061).

3872636739 is a wasteful number, since it uses less digits than its factorization.

3872636739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800634 (or 1800631 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The square root of 3872636739 is about 62230.5129257344. The cubic root of 3872636739 is about 1570.3709536319.

The spelling of 3872636739 in words is "three billion, eight hundred seventy-two million, six hundred thirty-six thousand, seven hundred thirty-nine".