42884400811 has 4 divisors (see below), whose sum is σ = 49010743792. Its totient is φ = 36758057832.

The previous prime is 42884400803. The next prime is 42884400893. The reversal of 42884400811 is 11800448824.

42884400811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42884400811 - 2³ = 42884400803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42804400811) 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, 3063171480 + ... + 3063171493.

It is an arithmetic number, because the mean of its divisors is an integer number (12252685948).

Almost surely, 2^42884400811 is an apocalyptic number.

42884400811 is a deficient number, since it is larger than the sum of its proper divisors (6126342981).

42884400811 is an equidigital number, since it uses as much as digits as its factorization.

42884400811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126342980.

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 42884400811 in words is "forty-two billion, eight hundred eighty-four million, four hundred thousand, eight hundred eleven".