24739319812 has 6 divisors (see below), whose sum is σ = 43293809678. Its totient is φ = 12369659904.

The previous prime is 24739319809. The next prime is 24739319821. The reversal of 24739319812 is 21891393742.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24625769476 + 113550336 = 156926^2 + 10656^2 .

It is a super-2 number, since 2×24739319812² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3092414973 + ... + 3092414980.

Almost surely, 2^24739319812 is an apocalyptic number.

It is an amenable number.

24739319812 is a deficient number, since it is larger than the sum of its proper divisors (18554489866).

24739319812 is a wasteful number, since it uses less digits than its factorization.

24739319812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184829957 (or 6184829955 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The spelling of 24739319812 in words is "twenty-four billion, seven hundred thirty-nine million, three hundred nineteen thousand, eight hundred twelve".