5438768919 has 4 divisors (see below), whose sum is σ = 7251691896. Its totient is φ = 3625845944.

The previous prime is 5438768917. The next prime is 5438768921. The reversal of 5438768919 is 9198678345.

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

It is an interprime number because it is at equal distance from previous prime (5438768917) and next prime (5438768921).

It is a cyclic number.

It is not a de Polignac number, because 5438768919 - 2¹ = 5438768917 is a prime.

It is a super-2 number, since 2×5438768919² = 59160414708560857122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438768917) 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, 906461484 + ... + 906461489.

It is an arithmetic number, because the mean of its divisors is an integer number (1812922974).

Almost surely, 2^5438768919 is an apocalyptic number.

5438768919 is a deficient number, since it is larger than the sum of its proper divisors (1812922977).

5438768919 is a wasteful number, since it uses less digits than its factorization.

5438768919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812922976.

The product of its digits is 13063680, while the sum is 60.

The square root of 5438768919 is about 73748.0095934799. The cubic root of 5438768919 is about 1758.5991908772.

The spelling of 5438768919 in words is "five billion, four hundred thirty-eight million, seven hundred sixty-eight thousand, nine hundred nineteen".