4139881051 has 16 divisors (see below), whose sum is σ = 4319733600. Its totient is φ = 3962649600.

The previous prime is 4139881037. The next prime is 4139881099. The reversal of 4139881051 is 1501889314.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4139881051 - 2⁷ = 4139880923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4139880995 and 4139881013.

It is not an unprimeable number, because it can be changed into a prime (4139881001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1988331 + ... + 1990411.

It is an arithmetic number, because the mean of its divisors is an integer number (269983350).

Almost surely, 2^4139881051 is an apocalyptic number.

4139881051 is a deficient number, since it is larger than the sum of its proper divisors (179852549).

4139881051 is a wasteful number, since it uses less digits than its factorization.

4139881051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 4139881051 is about 64341.9074243218. The cubic root of 4139881051 is about 1605.6933952671.

The spelling of 4139881051 in words is "four billion, one hundred thirty-nine million, eight hundred eighty-one thousand, fifty-one".