3864725313438 has 32 divisors (see below), whose sum is σ = 8704132088832. Its totient is φ = 1133350531200.

The previous prime is 3864725313433. The next prime is 3864725313479. The reversal of 3864725313438 is 8343135274683.

It is a super-2 number, since 2×3864725313438² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3864725313433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944456731 + ... + 944460822.

It is an arithmetic number, because the mean of its divisors is an integer number (272004127776).

Almost surely, 2^{3864725313438} is an apocalyptic number.

3864725313438 is an abundant number, since it is smaller than the sum of its proper divisors (4839406775394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3864725313438 is a wasteful number, since it uses less digits than its factorization.

3864725313438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888917600.

The product of its digits is 34836480, while the sum is 57.

The spelling of 3864725313438 in words is "three trillion, eight hundred sixty-four billion, seven hundred twenty-five million, three hundred thirteen thousand, four hundred thirty-eight".