5393489976 has 288 divisors, whose sum is σ = 18064453680. Its totient is φ = 1502323200.

The previous prime is 5393489939. The next prime is 5393489999. The reversal of 5393489976 is 6799843935.

5393489976 is a `hidden beast` number, since 539 + 3 + 4 + 8 + 9 + 97 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3904806 + ... + 3906186.

Almost surely, 2^5393489976 is an apocalyptic number.

5393489976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5393489976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9032226840).

5393489976 is an abundant number, since it is smaller than the sum of its proper divisors (12670963704).

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

5393489976 is a wasteful number, since it uses less digits than its factorization.

5393489976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1434 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The square root of 5393489976 is about 73440.3838225264. The cubic root of 5393489976 is about 1753.7053436600.

The spelling of 5393489976 in words is "five billion, three hundred ninety-three million, four hundred eighty-nine thousand, nine hundred seventy-six".