42811187793 has 64 divisors (see below), whose sum is σ = 65505024000. Its totient is φ = 24617922560.

The previous prime is 42811187789. The next prime is 42811187801. The reversal of 42811187793 is 39778111824.

It is not a de Polignac number, because 42811187793 - 2² = 42811187789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42811187723) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91672546 + ... + 91673012.

It is an arithmetic number, because the mean of its divisors is an integer number (1023516000).

Almost surely, 2^42811187793 is an apocalyptic number.

It is an amenable number.

42811187793 is a deficient number, since it is larger than the sum of its proper divisors (22693836207).

42811187793 is a wasteful number, since it uses less digits than its factorization.

42811187793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222.

The product of its digits is 677376, while the sum is 51.

The spelling of 42811187793 in words is "forty-two billion, eight hundred eleven million, one hundred eighty-seven thousand, seven hundred ninety-three".