2549863011 has 4 divisors (see below), whose sum is σ = 3399817352. Its totient is φ = 1699908672.

The previous prime is 2549863009. The next prime is 2549863087. The reversal of 2549863011 is 1103689452.

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

It is not a de Polignac number, because 2549863011 - 2¹ = 2549863009 is a prime.

It is a super-2 number, since 2×2549863011² = 13003602749731972242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2549868011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424977166 + ... + 424977171.

It is an arithmetic number, because the mean of its divisors is an integer number (849954338).

Almost surely, 2^2549863011 is an apocalyptic number.

2549863011 is a deficient number, since it is larger than the sum of its proper divisors (849954341).

2549863011 is an equidigital number, since it uses as much as digits as its factorization.

2549863011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849954340.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 2549863011 is about 50496.1682803755. The cubic root of 2549863011 is about 1366.1727430354.

The spelling of 2549863011 in words is "two billion, five hundred forty-nine million, eight hundred sixty-three thousand, eleven".