5388376421 has 4 divisors (see below), whose sum is σ = 5671975200. Its totient is φ = 5104777644.

The previous prime is 5388376393. The next prime is 5388376439. The reversal of 5388376421 is 1246738835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5388376421 - 2¹⁰ = 5388375397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5388376471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141799361 + ... + 141799398.

It is an arithmetic number, because the mean of its divisors is an integer number (1417993800).

Almost surely, 2^5388376421 is an apocalyptic number.

It is an amenable number.

5388376421 is a deficient number, since it is larger than the sum of its proper divisors (283598779).

5388376421 is a wasteful number, since it uses less digits than its factorization.

5388376421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283598778.

The product of its digits is 967680, while the sum is 47.

The square root of 5388376421 is about 73405.5612402766. The cubic root of 5388376421 is about 1753.1509404605.

The spelling of 5388376421 in words is "five billion, three hundred eighty-eight million, three hundred seventy-six thousand, four hundred twenty-one".