5381923816 has 8 divisors (see below), whose sum is σ = 10091107170. Its totient is φ = 2690961904.

The previous prime is 5381923783. The next prime is 5381923829. The reversal of 5381923816 is 6183291835.

It can be written as a sum of positive squares in only one way, i.e., 5318784900 + 63138916 = 72930^2 + 7946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5381923816² = 57930207922456003712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336370231 + ... + 336370246.

Almost surely, 2^5381923816 is an apocalyptic number.

It is an amenable number.

5381923816 is a deficient number, since it is larger than the sum of its proper divisors (4709183354).

5381923816 is a wasteful number, since it uses less digits than its factorization.

5381923816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672740483 (or 672740479 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 5381923816 is about 73361.5963294148. The cubic root of 5381923816 is about 1752.4508588903.

The spelling of 5381923816 in words is "five billion, three hundred eighty-one million, nine hundred twenty-three thousand, eight hundred sixteen".