10047821427 has 24 divisors (see below), whose sum is σ = 16796848640. Its totient is φ = 5668930800.

The previous prime is 10047821369. The next prime is 10047821431. The reversal of 10047821427 is 72412874001.

It is not a de Polignac number, because 10047821427 - 2¹² = 10047817331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10047821391 and 10047821400.

It is not an unprimeable number, because it can be changed into a prime (10047821447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1004449 + ... + 1014402.

Almost surely, 2^10047821427 is an apocalyptic number.

10047821427 is a deficient number, since it is larger than the sum of its proper divisors (6749027213).

10047821427 is a wasteful number, since it uses less digits than its factorization.

10047821427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018943 (or 2018940 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The spelling of 10047821427 in words is "ten billion, forty-seven million, eight hundred twenty-one thousand, four hundred twenty-seven".