6273161881 has 4 divisors (see below), whose sum is σ = 7169327872. Its totient is φ = 5376995892.

The previous prime is 6273161861. The next prime is 6273161899. The reversal of 6273161881 is 1881613726.

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 a cyclic number.

It is not a de Polignac number, because 6273161881 - 2²⁵ = 6239607449 is a prime.

It is a super-2 number, since 2×6273161881² = 78705119970462916322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6273161801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448082985 + ... + 448082998.

It is an arithmetic number, because the mean of its divisors is an integer number (1792331968).

Almost surely, 2^6273161881 is an apocalyptic number.

It is an amenable number.

6273161881 is a deficient number, since it is larger than the sum of its proper divisors (896165991).

6273161881 is an equidigital number, since it uses as much as digits as its factorization.

6273161881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896165990.

The product of its digits is 96768, while the sum is 43.

The square root of 6273161881 is about 79203.2946347562. The cubic root of 6273161881 is about 1844.2883868826.

The spelling of 6273161881 in words is "six billion, two hundred seventy-three million, one hundred sixty-one thousand, eight hundred eighty-one".