5399743779 has 72 divisors (see below), whose sum is σ = 8869039920. Its totient is φ = 3153447936.

The previous prime is 5399743763. The next prime is 5399743781. The reversal of 5399743779 is 9773479935.

5399743779 is a `hidden beast` number, since 539 + 97 + 4 + 3 + 7 + 7 + 9 = 666.

It is not a de Polignac number, because 5399743779 - 2⁴ = 5399743763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5399747779) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3257919 + ... + 3259575.

It is an arithmetic number, because the mean of its divisors is an integer number (123181110).

Almost surely, 2^5399743779 is an apocalyptic number.

5399743779 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

5399743779 is a deficient number, since it is larger than the sum of its proper divisors (3469296141).

5399743779 is a wasteful number, since it uses less digits than its factorization.

5399743779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1755 counting only the distinct ones).

The product of its digits is 45008460, while the sum is 63.

The square root of 5399743779 is about 73482.9488997278. The cubic root of 5399743779 is about 1754.3828945352.

The spelling of 5399743779 in words is "five billion, three hundred ninety-nine million, seven hundred forty-three thousand, seven hundred seventy-nine".