4038890351839 has 6 divisors (see below), whose sum is σ = 4698301021584. Its totient is φ = 3461906015820.

The previous prime is 4038890351803. The next prime is 4038890351849. The reversal of 4038890351839 is 9381530988304.

It is not a de Polignac number, because 4038890351839 - 2¹³ = 4038890343647 is a prime.

It is a super-2 number, since 2×4038890351839² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4038890351849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41213166807 + ... + 41213166904.

It is an arithmetic number, because the mean of its divisors is an integer number (783050170264).

Almost surely, 2^{4038890351839} is an apocalyptic number.

4038890351839 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4038890351839 is a deficient number, since it is larger than the sum of its proper divisors (659410669745).

4038890351839 is an equidigital number, since it uses as much as digits as its factorization.

4038890351839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82426333725 (or 82426333718 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 4038890351839 in words is "four trillion, thirty-eight billion, eight hundred ninety million, three hundred fifty-one thousand, eight hundred thirty-nine".