27219031436 has 12 divisors (see below), whose sum is σ = 47668159728. Its totient is φ = 13599557232.

The previous prime is 27219031429. The next prime is 27219031447. The reversal of 27219031436 is 63413091272.

It is a self number, because there is not a number n which added to its sum of digits gives 27219031436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2483471 + ... + 2494406.

It is an arithmetic number, because the mean of its divisors is an integer number (3972346644).

Almost surely, 2^27219031436 is an apocalyptic number.

It is an amenable number.

27219031436 is a deficient number, since it is larger than the sum of its proper divisors (20449128292).

27219031436 is a wasteful number, since it uses less digits than its factorization.

27219031436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979248 (or 4979246 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 27219031436 in words is "twenty-seven billion, two hundred nineteen million, thirty-one thousand, four hundred thirty-six".