2801479042 has 4 divisors (see below), whose sum is σ = 4202218566. Its totient is φ = 1400739520.

The previous prime is 2801479033. The next prime is 2801479049. The reversal of 2801479042 is 2409741082.

It is a Cunningham number, because it is equal to 52929²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2801479041 + 1 = 52929^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2801478992 and 2801479010.

It is not an unprimeable number, because it can be changed into a prime (2801479049) 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 as a sum of consecutive naturals, namely, 700369759 + ... + 700369762.

Almost surely, 2^2801479042 is an apocalyptic number.

2801479042 is a deficient number, since it is larger than the sum of its proper divisors (1400739524).

2801479042 is a wasteful number, since it uses less digits than its factorization.

2801479042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400739523.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2801479042 is about 52929.0000094466. Note that the first 5 decimals coincide. The cubic root of 2801479042 is about 1409.7078753668.

The spelling of 2801479042 in words is "two billion, eight hundred one million, four hundred seventy-nine thousand, forty-two".