5439822645 has 16 divisors (see below), whose sum is σ = 9161807040. Its totient is φ = 2748541824.

The previous prime is 5439822643. The next prime is 5439822671. The reversal of 5439822645 is 5462289345.

It is a happy number.

It is not a de Polignac number, because 5439822645 - 2¹ = 5439822643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5439822594 and 5439822603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5439822643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9543264 + ... + 9543833.

It is an arithmetic number, because the mean of its divisors is an integer number (572612940).

Almost surely, 2^5439822645 is an apocalyptic number.

It is an amenable number.

5439822645 is a deficient number, since it is larger than the sum of its proper divisors (3721984395).

5439822645 is a wasteful number, since it uses less digits than its factorization.

5439822645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19087124.

The product of its digits is 2073600, while the sum is 48.

The square root of 5439822645 is about 73755.1533453765. The cubic root of 5439822645 is about 1758.7127559172.

The spelling of 5439822645 in words is "five billion, four hundred thirty-nine million, eight hundred twenty-two thousand, six hundred forty-five".