4138740511 has 4 divisors (see below), whose sum is σ = 4139103024. Its totient is φ = 4138378000.

The previous prime is 4138740461. The next prime is 4138740527. The reversal of 4138740511 is 1150478314.

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 4138740511 - 2¹¹ = 4138738463 is a prime.

It is a super-2 number, since 2×4138740511² = 34258346034785082242, which 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 (4138740611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163555 + ... + 187156.

It is an arithmetic number, because the mean of its divisors is an integer number (1034775756).

Almost surely, 2^4138740511 is an apocalyptic number.

4138740511 is a deficient number, since it is larger than the sum of its proper divisors (362513).

4138740511 is a wasteful number, since it uses less digits than its factorization.

4138740511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362512.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 4138740511 is about 64333.0436945121. The cubic root of 4138740511 is about 1605.5459251886.

The spelling of 4138740511 in words is "four billion, one hundred thirty-eight million, seven hundred forty thousand, five hundred eleven".