24139392007 has 4 divisors (see below), whose sum is σ = 24141014496. Its totient is φ = 24137769520.

The previous prime is 24139392001. The next prime is 24139392047. The reversal of 24139392007 is 70029393142.

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 24139392007 - 2¹¹ = 24139389959 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24139392001) 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, 788719 + ... + 818752.

It is an arithmetic number, because the mean of its divisors is an integer number (6035253624).

Almost surely, 2^24139392007 is an apocalyptic number.

24139392007 is a deficient number, since it is larger than the sum of its proper divisors (1622489).

24139392007 is a wasteful number, since it uses less digits than its factorization.

24139392007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622488.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 24139392007 in words is "twenty-four billion, one hundred thirty-nine million, three hundred ninety-two thousand, seven".