4249511811 has 12 divisors (see below), whose sum is σ = 6499253592. Its totient is φ = 2666360256.

The previous prime is 4249511807. The next prime is 4249511813. The reversal of 4249511811 is 1181159424.

4249511811 is a `hidden beast` number, since 42 + 495 + 118 + 11 = 666.

4249511811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4249511811 - 2² = 4249511807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4249511813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13887141 + ... + 13887446.

It is an arithmetic number, because the mean of its divisors is an integer number (541604466).

Almost surely, 2^4249511811 is an apocalyptic number.

4249511811 is a deficient number, since it is larger than the sum of its proper divisors (2249741781).

4249511811 is a wasteful number, since it uses less digits than its factorization.

4249511811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27774610 (or 27774607 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 4249511811 is about 65188.2797057876. The cubic root of 4249511811 is about 1619.7438769758.

The spelling of 4249511811 in words is "four billion, two hundred forty-nine million, five hundred eleven thousand, eight hundred eleven".