4138405051 has 4 divisors (see below), whose sum is σ = 4514623704. Its totient is φ = 3762186400.

The previous prime is 4138405049. The next prime is 4138405057. The reversal of 4138405051 is 1505048314.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4138405051 - 2¹ = 4138405049 is a prime.

It is a super-2 number, since 2×4138405051² = 34252792732284625202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4138405057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188109310 + ... + 188109331.

It is an arithmetic number, because the mean of its divisors is an integer number (1128655926).

Almost surely, 2^4138405051 is an apocalyptic number.

4138405051 is a deficient number, since it is larger than the sum of its proper divisors (376218653).

4138405051 is a wasteful number, since it uses less digits than its factorization.

4138405051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376218652.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 4138405051 is about 64330.4364278683. The cubic root of 4138405051 is about 1605.5025455673.

The spelling of 4138405051 in words is "four billion, one hundred thirty-eight million, four hundred five thousand, fifty-one".