2811012399 has 48 divisors (see below), whose sum is σ = 4618504800. Its totient is φ = 1633229568.

The previous prime is 2811012349. The next prime is 2811012409. The reversal of 2811012399 is 9932101182.

It is not a de Polignac number, because 2811012399 - 2⁹ = 2811011887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2811012319) 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 47 ways as a sum of consecutive naturals, for example, 702697 + ... + 706685.

It is an arithmetic number, because the mean of its divisors is an integer number (96218850).

Almost surely, 2^2811012399 is an apocalyptic number.

2811012399 is a deficient number, since it is larger than the sum of its proper divisors (1807492401).

2811012399 is a wasteful number, since it uses less digits than its factorization.

2811012399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344 (or 4341 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 2811012399 is about 53018.9814971959. The cubic root of 2811012399 is about 1411.3051307844.

The spelling of 2811012399 in words is "two billion, eight hundred eleven million, twelve thousand, three hundred ninety-nine".