12849758794 has 8 divisors (see below), whose sum is σ = 19372479588. Its totient is φ = 6392265600.

The previous prime is 12849758777. The next prime is 12849758797. The reversal of 12849758794 is 49785794821.

It can be written as a sum of positive squares in 2 ways, for example, as 12518700769 + 331058025 = 111887^2 + 18195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12849758797) 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, 16306407 + ... + 16307194.

Almost surely, 2^12849758794 is an apocalyptic number.

12849758794 is a deficient number, since it is larger than the sum of its proper divisors (6522720794).

12849758794 is a wasteful number, since it uses less digits than its factorization.

12849758794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32613800.

The product of its digits is 40642560, while the sum is 64.

The spelling of 12849758794 in words is "twelve billion, eight hundred forty-nine million, seven hundred fifty-eight thousand, seven hundred ninety-four".