2814890642 has 12 divisors (see below), whose sum is σ = 4245891498. Its totient is φ = 1399636800.

The previous prime is 2814890609. The next prime is 2814890647. The reversal of 2814890642 is 2460984182.

It can be written as a sum of positive squares in 3 ways, for example, as 204804721 + 2610085921 = 14311^2 + 51089^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2814890593 and 2814890602.

It is not an unprimeable number, because it can be changed into a prime (2814890647) 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 5 ways as a sum of consecutive naturals, for example, 44042 + ... + 87002.

Almost surely, 2^2814890642 is an apocalyptic number.

2814890642 is a deficient number, since it is larger than the sum of its proper divisors (1431000856).

2814890642 is an equidigital number, since it uses as much as digits as its factorization.

2814890642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43325 (or 43144 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 2814890642 is about 53055.5429903417. The cubic root of 2814890642 is about 1411.9538732133.

The spelling of 2814890642 in words is "two billion, eight hundred fourteen million, eight hundred ninety thousand, six hundred forty-two".