2801142489 has 4 divisors (see below), whose sum is σ = 3734856656. Its totient is φ = 1867428324.

The previous prime is 2801142457. The next prime is 2801142521. The reversal of 2801142489 is 9842411082.

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 an interprime number because it is at equal distance from previous prime (2801142457) and next prime (2801142521).

It is not a de Polignac number, because 2801142489 - 2⁵ = 2801142457 is a prime.

It is a super-2 number, since 2×2801142489² = 15692798487362230242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2801192489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466857079 + ... + 466857084.

It is an arithmetic number, because the mean of its divisors is an integer number (933714164).

Almost surely, 2^2801142489 is an apocalyptic number.

It is an amenable number.

2801142489 is a deficient number, since it is larger than the sum of its proper divisors (933714167).

2801142489 is an equidigital number, since it uses as much as digits as its factorization.

2801142489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933714166.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 2801142489 is about 52925.8206266091. The cubic root of 2801142489 is about 1409.6514218045.

It can be divided in two parts, 28011 and 42489, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 2801142489 in words is "two billion, eight hundred one million, one hundred forty-two thousand, four hundred eighty-nine".