5405521439 has 8 divisors (see below), whose sum is σ = 5606530560. Its totient is φ = 5205486496.

The previous prime is 5405521427. The next prime is 5405521469. The reversal of 5405521439 is 9341255045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5405521439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405521409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232232 + ... + 254445.

It is an arithmetic number, because the mean of its divisors is an integer number (700816320).

Almost surely, 2^5405521439 is an apocalyptic number.

5405521439 is a deficient number, since it is larger than the sum of its proper divisors (201009121).

5405521439 is a wasteful number, since it uses less digits than its factorization.

5405521439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487089.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 5405521439 is about 73522.2513189034. The cubic root of 5405521439 is about 1755.0083942640.

The spelling of 5405521439 in words is "five billion, four hundred five million, five hundred twenty-one thousand, four hundred thirty-nine".