10012433381 has 2 divisors, whose sum is σ = 10012433382. Its totient is φ = 10012433380.

The previous prime is 10012433371. The next prime is 10012433443. The reversal of 10012433381 is 18333421001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5621250625 + 4391182756 = 74975^2 + 66266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10012433381 is a prime.

It is a super-2 number, since 2×10012433381² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10012433381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012433371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006216690 + 5006216691.

It is an arithmetic number, because the mean of its divisors is an integer number (5006216691).

Almost surely, 2^10012433381 is an apocalyptic number.

It is an amenable number.

10012433381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012433381 is an equidigital number, since it uses as much as digits as its factorization.

10012433381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 10012433381 its reverse (18333421001), we get a palindrome (28345854382).

The spelling of 10012433381 in words is "ten billion, twelve million, four hundred thirty-three thousand, three hundred eighty-one".