24142939065849 has 16 divisors (see below), whose sum is σ = 33614856733824. Its totient is φ = 15384185414400.

The previous prime is 24142939065827. The next prime is 24142939065863. The reversal of 24142939065849 is 94856093924142.

It is not a de Polignac number, because 24142939065849 - 2²³ = 24142930677241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24142939065849.

It is not an unprimeable number, because it can be changed into a prime (24142939065809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128450422 + ... + 128638239.

It is an arithmetic number, because the mean of its divisors is an integer number (2100928545864).

Almost surely, 2^{24142939065849} is an apocalyptic number.

It is an amenable number.

24142939065849 is a deficient number, since it is larger than the sum of its proper divisors (9471917667975).

24142939065849 is a wasteful number, since it uses less digits than its factorization.

24142939065849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257090048.

The product of its (nonzero) digits is 134369280, while the sum is 66.

The spelling of 24142939065849 in words is "twenty-four trillion, one hundred forty-two billion, nine hundred thirty-nine million, sixty-five thousand, eight hundred forty-nine".