42213639249 has 24 divisors (see below), whose sum is σ = 62228069280. Its totient is φ = 27567580032.

The previous prime is 42213639203. The next prime is 42213639311. The reversal of 42213639249 is 94293631224.

42213639249 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 3 + 639 + 2 + 4 + 9 = 666.

It is not a de Polignac number, because 42213639249 - 2⁹ = 42213638737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42213639649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9817 + ... + 290729.

It is an arithmetic number, because the mean of its divisors is an integer number (2592836220).

Almost surely, 2^42213639249 is an apocalyptic number.

It is an amenable number.

42213639249 is a deficient number, since it is larger than the sum of its proper divisors (20014430031).

42213639249 is a wasteful number, since it uses less digits than its factorization.

42213639249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281261 (or 281258 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The spelling of 42213639249 in words is "forty-two billion, two hundred thirteen million, six hundred thirty-nine thousand, two hundred forty-nine".