5439238730 has 32 divisors (see below), whose sum is σ = 9838692864. Its totient is φ = 2165040576.

The previous prime is 5439238709. The next prime is 5439238741. The reversal of 5439238730 is 378329345.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2648384 + ... + 2650436.

It is an arithmetic number, because the mean of its divisors is an integer number (307459152).

Almost surely, 2^5439238730 is an apocalyptic number.

5439238730 is a deficient number, since it is larger than the sum of its proper divisors (4399454134).

5439238730 is a wasteful number, since it uses less digits than its factorization.

5439238730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 5439238730 is about 73751.1947699832. The cubic root of 5439238730 is about 1758.6498264449.

The spelling of 5439238730 in words is "five billion, four hundred thirty-nine million, two hundred thirty-eight thousand, seven hundred thirty".