10021418929 has 2 divisors, whose sum is σ = 10021418930. Its totient is φ = 10021418928.

The previous prime is 10021418923. The next prime is 10021418951. The reversal of 10021418929 is 92981412001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9824774400 + 196644529 = 99120^2 + 14023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021418929 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021418923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010709464 + 5010709465.

It is an arithmetic number, because the mean of its divisors is an integer number (5010709465).

Almost surely, 2^10021418929 is an apocalyptic number.

It is an amenable number.

10021418929 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021418929 is an equidigital number, since it uses as much as digits as its factorization.

10021418929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 10021418929 in words is "ten billion, twenty-one million, four hundred eighteen thousand, nine hundred twenty-nine".