5442051439 has 4 divisors (see below), whose sum is σ = 5936783400. Its totient is φ = 4947319480.

The previous prime is 5442051409. The next prime is 5442051449. The reversal of 5442051439 is 9341502445.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5442051439 - 2¹⁵ = 5442018671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5442051398 and 5442051407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5442051409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247365964 + ... + 247365985.

It is an arithmetic number, because the mean of its divisors is an integer number (1484195850).

Almost surely, 2^5442051439 is an apocalyptic number.

5442051439 is a deficient number, since it is larger than the sum of its proper divisors (494731961).

5442051439 is a wasteful number, since it uses less digits than its factorization.

5442051439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494731960.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 5442051439 is about 73770.2612100567. The cubic root of 5442051439 is about 1758.9529152923.

The spelling of 5442051439 in words is "five billion, four hundred forty-two million, fifty-one thousand, four hundred thirty-nine".