5439623964 has 24 divisors (see below), whose sum is σ = 12741850128. Its totient is φ = 1806151680.

The previous prime is 5439623941. The next prime is 5439623999. The reversal of 5439623964 is 4693269345.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 878827 + ... + 884994.

It is an arithmetic number, because the mean of its divisors is an integer number (530910422).

Almost surely, 2^5439623964 is an apocalyptic number.

It is an amenable number.

5439623964 is an abundant number, since it is smaller than the sum of its proper divisors (7302226164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5439623964 is a wasteful number, since it uses less digits than its factorization.

5439623964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764085 (or 1764083 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 51.

The square root of 5439623964 is about 73753.8064373629. The cubic root of 5439623964 is about 1758.6913442471.

The spelling of 5439623964 in words is "five billion, four hundred thirty-nine million, six hundred twenty-three thousand, nine hundred sixty-four".