5439588397 has 4 divisors (see below), whose sum is σ = 5441236576. Its totient is φ = 5437940220.

The previous prime is 5439588361. The next prime is 5439588437. The reversal of 5439588397 is 7938859345.

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 5439588397 - 2⁷ = 5439588269 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 (5439588317) 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, 819129 + ... + 825742.

It is an arithmetic number, because the mean of its divisors is an integer number (1360309144).

Almost surely, 2^5439588397 is an apocalyptic number.

It is an amenable number.

5439588397 is a deficient number, since it is larger than the sum of its proper divisors (1648179).

5439588397 is a wasteful number, since it uses less digits than its factorization.

5439588397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648178.

The product of its digits is 32659200, while the sum is 61.

The square root of 5439588397 is about 73753.5653172103. The cubic root of 5439588397 is about 1758.6875111689.

The spelling of 5439588397 in words is "five billion, four hundred thirty-nine million, five hundred eighty-eight thousand, three hundred ninety-seven".