27393692428 has 6 divisors (see below), whose sum is σ = 47938961756. Its totient is φ = 13696846212.

The previous prime is 27393692401. The next prime is 27393692489. The reversal of 27393692428 is 82429639372.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3424211550 + ... + 3424211557.

Almost surely, 2^27393692428 is an apocalyptic number.

It is an amenable number.

27393692428 is a deficient number, since it is larger than the sum of its proper divisors (20545269328).

27393692428 is a wasteful number, since it uses less digits than its factorization.

27393692428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6848423111 (or 6848423109 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 55.

The spelling of 27393692428 in words is "twenty-seven billion, three hundred ninety-three million, six hundred ninety-two thousand, four hundred twenty-eight".