2889402621 has 8 divisors (see below), whose sum is σ = 4402899264. Its totient is φ = 1651087200.

The previous prime is 2889402619. The next prime is 2889402653. The reversal of 2889402621 is 1262049882.

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

It is not a de Polignac number, because 2889402621 - 2¹ = 2889402619 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889402611) 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 7 ways as a sum of consecutive naturals, for example, 68795280 + ... + 68795321.

It is an arithmetic number, because the mean of its divisors is an integer number (550362408).

Almost surely, 2^2889402621 is an apocalyptic number.

2889402621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2889402621 is a deficient number, since it is larger than the sum of its proper divisors (1513496643).

2889402621 is a wasteful number, since it uses less digits than its factorization.

2889402621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137590611.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2889402621 is about 53753.1638231649. The cubic root of 2889402621 is about 1424.3039787146.

The spelling of 2889402621 in words is "two billion, eight hundred eighty-nine million, four hundred two thousand, six hundred twenty-one".