4009145051 has 4 divisors (see below), whose sum is σ = 4009280832. Its totient is φ = 4009009272.

The previous prime is 4009145039. The next prime is 4009145053. The reversal of 4009145051 is 1505419004.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4009145051 - 2¹⁴ = 4009128667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4009145053) 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, 2795 + ... + 89588.

It is an arithmetic number, because the mean of its divisors is an integer number (1002320208).

Almost surely, 2^4009145051 is an apocalyptic number.

4009145051 is a deficient number, since it is larger than the sum of its proper divisors (135781).

4009145051 is an equidigital number, since it uses as much as digits as its factorization.

4009145051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135780.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 4009145051 is about 63317.8099036914. The cubic root of 4009145051 is about 1588.6098698421.

The spelling of 4009145051 in words is "four billion, nine million, one hundred forty-five thousand, fifty-one".