2027811813 has 8 divisors (see below), whose sum is σ = 2821303488. Its totient is φ = 1293097344.

The previous prime is 2027811809. The next prime is 2027811827. The reversal of 2027811813 is 3181187202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2027811813 - 2² = 2027811809 is a prime.

It is a super-2 number, since 2×2027811813² = 8224041497884693938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027811893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14694220 + ... + 14694357.

It is an arithmetic number, because the mean of its divisors is an integer number (352662936).

Almost surely, 2^2027811813 is an apocalyptic number.

2027811813 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2027811813 is a deficient number, since it is larger than the sum of its proper divisors (793491675).

2027811813 is a wasteful number, since it uses less digits than its factorization.

2027811813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29388603.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 2027811813 is about 45031.2315287957. The cubic root of 2027811813 is about 1265.7343011861.

The spelling of 2027811813 in words is "two billion, twenty-seven million, eight hundred eleven thousand, eight hundred thirteen".