2478993011 has 16 divisors (see below), whose sum is σ = 2728470528. Its totient is φ = 2233624800.

The previous prime is 2478992987. The next prime is 2478993031. The reversal of 2478993011 is 1103998742.

It is a de Polignac number, because none of the positive numbers 2^k-2478993011 is a prime.

It is a super-2 number, since 2×2478993011² = 12290812697173692242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2478993031) 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 15 ways as a sum of consecutive naturals, for example, 613580 + ... + 617606.

It is an arithmetic number, because the mean of its divisors is an integer number (170529408).

Almost surely, 2^2478993011 is an apocalyptic number.

2478993011 is a deficient number, since it is larger than the sum of its proper divisors (249477517).

2478993011 is a wasteful number, since it uses less digits than its factorization.

2478993011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 2478993011 is about 49789.4869525686. The cubic root of 2478993011 is about 1353.3966613103.

The spelling of 2478993011 in words is "two billion, four hundred seventy-eight million, nine hundred ninety-three thousand, eleven".