6872289893 has 4 divisors (see below), whose sum is σ = 7854045600. Its totient is φ = 5890534188.

The previous prime is 6872289871. The next prime is 6872289923. The reversal of 6872289893 is 3989822786.

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 6872289893 - 2²² = 6868095589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6872289293) 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, 490877843 + ... + 490877856.

It is an arithmetic number, because the mean of its divisors is an integer number (1963511400).

Almost surely, 2^6872289893 is an apocalyptic number.

It is an amenable number.

6872289893 is a deficient number, since it is larger than the sum of its proper divisors (981755707).

6872289893 is an equidigital number, since it uses as much as digits as its factorization.

6872289893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981755706.

The product of its digits is 20901888, while the sum is 62.

The square root of 6872289893 is about 82899.2755879085. The cubic root of 6872289893 is about 1901.2263452259.

The spelling of 6872289893 in words is "six billion, eight hundred seventy-two million, two hundred eighty-nine thousand, eight hundred ninety-three".