10333994427 has 6 divisors (see below), whose sum is σ = 14926880852. Its totient is φ = 6889329612.

The previous prime is 10333994389. The next prime is 10333994449. The reversal of 10333994427 is 72449933301.

10333994427 is a `hidden beast` number, since 103 + 3 + 39 + 94 + 427 = 666.

It is not a de Polignac number, because 10333994427 - 2⁸ = 10333994171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10333994327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 574110793 + ... + 574110810.

Almost surely, 2^10333994427 is an apocalyptic number.

10333994427 is a deficient number, since it is larger than the sum of its proper divisors (4592886425).

10333994427 is a wasteful number, since it uses less digits than its factorization.

10333994427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148221609 (or 1148221606 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 10333994427 in words is "ten billion, three hundred thirty-three million, nine hundred ninety-four thousand, four hundred twenty-seven".