5378986081 has 4 divisors (see below), whose sum is σ = 6147412672. Its totient is φ = 4610559492.

The previous prime is 5378986079. The next prime is 5378986087. The reversal of 5378986081 is 1806898735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5378986081 - 2¹ = 5378986079 is a prime.

It is a super-2 number, since 2×5378986081² = 57866982519183477122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5378986087) 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, 384213285 + ... + 384213298.

It is an arithmetic number, because the mean of its divisors is an integer number (1536853168).

Almost surely, 2^5378986081 is an apocalyptic number.

It is an amenable number.

5378986081 is a deficient number, since it is larger than the sum of its proper divisors (768426591).

5378986081 is an equidigital number, since it uses as much as digits as its factorization.

5378986081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768426590.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 5378986081 is about 73341.5713016840. The cubic root of 5378986081 is about 1752.1319411322.

The spelling of 5378986081 in words is "five billion, three hundred seventy-eight million, nine hundred eighty-six thousand, eighty-one".