5005405642 has 8 divisors (see below), whose sum is σ = 7949761956. Its totient is φ = 2355484992.

The previous prime is 5005405637. The next prime is 5005405651. The reversal of 5005405642 is 2465045005.

It can be written as a sum of positive squares in 2 ways, for example, as 5002874361 + 2531281 = 70731^2 + 1591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73608873 + ... + 73608940.

Almost surely, 2^5005405642 is an apocalyptic number.

5005405642 is a deficient number, since it is larger than the sum of its proper divisors (2944356314).

5005405642 is a wasteful number, since it uses less digits than its factorization.

5005405642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147217832.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 5005405642 is about 70748.8914542129. The cubic root of 5005405642 is about 1710.5919592535.

The spelling of 5005405642 in words is "five billion, five million, four hundred five thousand, six hundred forty-two".