5409779924 has 6 divisors (see below), whose sum is σ = 9467114874. Its totient is φ = 2704889960.

The previous prime is 5409779911. The next prime is 5409779939. The reversal of 5409779924 is 4299779045.

It can be written as a sum of positive squares in only one way, i.e., 5307122500 + 102657424 = 72850^2 + 10132^2 .

It is a super-2 number, since 2×5409779924² = 58531437652226891552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5409779924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676222487 + ... + 676222494.

It is an arithmetic number, because the mean of its divisors is an integer number (1577852479).

Almost surely, 2^5409779924 is an apocalyptic number.

It is an amenable number.

5409779924 is a deficient number, since it is larger than the sum of its proper divisors (4057334950).

5409779924 is a wasteful number, since it uses less digits than its factorization.

5409779924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352444985 (or 1352444983 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 56.

The square root of 5409779924 is about 73551.2061355896. The cubic root of 5409779924 is about 1755.4691401433.

The spelling of 5409779924 in words is "five billion, four hundred nine million, seven hundred seventy-nine thousand, nine hundred twenty-four".