5403644738 has 16 divisors (see below), whose sum is σ = 8285655840. Its totient is φ = 2642340096.

The previous prime is 5403644737. The next prime is 5403644747. The reversal of 5403644738 is 8374463045.

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 not an unprimeable number, because it can be changed into a prime (5403644731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126431 + ... + 163682.

It is an arithmetic number, because the mean of its divisors is an integer number (517853490).

Almost surely, 2^5403644738 is an apocalyptic number.

5403644738 is a deficient number, since it is larger than the sum of its proper divisors (2882011102).

5403644738 is a wasteful number, since it uses less digits than its factorization.

5403644738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290321.

The product of its (nonzero) digits is 967680, while the sum is 44.

The square root of 5403644738 is about 73509.4874012872. The cubic root of 5403644738 is about 1754.8052681776.

The spelling of 5403644738 in words is "five billion, four hundred three million, six hundred forty-four thousand, seven hundred thirty-eight".