5655763819 has 4 divisors (see below), whose sum is σ = 5793709320. Its totient is φ = 5517818320.

The previous prime is 5655763811. The next prime is 5655763843. The reversal of 5655763819 is 9183675565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5655763819 - 2³ = 5655763811 is a prime.

It is a super-2 number, since 2×5655763819² = 63975328752618929522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5655763819.

It is not an unprimeable number, because it can be changed into a prime (5655763811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68972689 + ... + 68972770.

It is an arithmetic number, because the mean of its divisors is an integer number (1448427330).

Almost surely, 2^5655763819 is an apocalyptic number.

5655763819 is a deficient number, since it is larger than the sum of its proper divisors (137945501).

5655763819 is a wasteful number, since it uses less digits than its factorization.

5655763819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137945500.

The product of its digits is 6804000, while the sum is 55.

The square root of 5655763819 is about 75204.8124723412. The cubic root of 5655763819 is about 1781.6829408960.

The spelling of 5655763819 in words is "five billion, six hundred fifty-five million, seven hundred sixty-three thousand, eight hundred nineteen".