7428084565439 has 4 divisors (see below), whose sum is σ = 7609257359760. Its totient is φ = 7246911771120.

The previous prime is 7428084565411. The next prime is 7428084565457. The reversal of 7428084565439 is 9345654808247.

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 7428084565439 - 2¹⁶ = 7428084499903 is a prime.

It is a super-2 number, since 2×7428084565439² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428084265439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90586397099 + ... + 90586397180.

It is an arithmetic number, because the mean of its divisors is an integer number (1902314339940).

Almost surely, 2^{7428084565439} is an apocalyptic number.

7428084565439 is a deficient number, since it is larger than the sum of its proper divisors (181172794321).

7428084565439 is a wasteful number, since it uses less digits than its factorization.

7428084565439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181172794320.

The product of its (nonzero) digits is 232243200, while the sum is 65.

The spelling of 7428084565439 in words is "seven trillion, four hundred twenty-eight billion, eighty-four million, five hundred sixty-five thousand, four hundred thirty-nine".