5012021405 has 4 divisors (see below), whose sum is σ = 6014425692. Its totient is φ = 4009617120.

The previous prime is 5012021389. The next prime is 5012021407. The reversal of 5012021405 is 5041202105.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2985311044 + 2026710361 = 54638^2 + 45019^2 .

It is not a de Polignac number, because 5012021405 - 2⁴ = 5012021389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5012021407) 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 3 ways as a sum of consecutive naturals, for example, 501202136 + ... + 501202145.

It is an arithmetic number, because the mean of its divisors is an integer number (1503606423).

Almost surely, 2^5012021405 is an apocalyptic number.

It is an amenable number.

5012021405 is a deficient number, since it is larger than the sum of its proper divisors (1002404287).

5012021405 is a wasteful number, since it uses less digits than its factorization.

5012021405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002404286.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5012021405 is about 70795.6312564554. The cubic root of 5012021405 is about 1711.3452707421.

The spelling of 5012021405 in words is "five billion, twelve million, twenty-one thousand, four hundred five".