212794736649 has 8 divisors (see below), whose sum is σ = 309519616992. Its totient is φ = 128966507040.

The previous prime is 212794736647. The next prime is 212794736653. The reversal of 212794736649 is 946637497212.

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

It is not a de Polignac number, because 212794736649 - 2¹ = 212794736647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212794736592 and 212794736601.

It is not an unprimeable number, because it can be changed into a prime (212794736647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3224162644 + ... + 3224162709.

It is an arithmetic number, because the mean of its divisors is an integer number (38689952124).

Almost surely, 2^212794736649 is an apocalyptic number.

It is an amenable number.

212794736649 is a deficient number, since it is larger than the sum of its proper divisors (96724880343).

212794736649 is a wasteful number, since it uses less digits than its factorization.

212794736649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448325367.

The product of its digits is 27433728, while the sum is 60.

The spelling of 212794736649 in words is "two hundred twelve billion, seven hundred ninety-four million, seven hundred thirty-six thousand, six hundred forty-nine".