42249782631 has 16 divisors (see below), whose sum is σ = 65287392768. Its totient is φ = 23802693600.

The previous prime is 42249782609. The next prime is 42249782693. The reversal of 42249782631 is 13628794224.

It is not a de Polignac number, because 42249782631 - 2¹³ = 42249774439 is a prime.

It is a super-2 number, since 2×42249782631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42249784631) 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 15 ways as a sum of consecutive naturals, for example, 14166780 + ... + 14169761.

It is an arithmetic number, because the mean of its divisors is an integer number (4080462048).

Almost surely, 2^42249782631 is an apocalyptic number.

42249782631 is a deficient number, since it is larger than the sum of its proper divisors (23037610137).

42249782631 is a wasteful number, since it uses less digits than its factorization.

42249782631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28336622.

The product of its digits is 1161216, while the sum is 48.

The spelling of 42249782631 in words is "forty-two billion, two hundred forty-nine million, seven hundred eighty-two thousand, six hundred thirty-one".