10010021939 has 2 divisors, whose sum is σ = 10010021940. Its totient is φ = 10010021938.

The previous prime is 10010021933. The next prime is 10010021953. The reversal of 10010021939 is 93912001001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10010021939 - 2⁸ = 10010021683 is a prime.

It is a super-2 number, since 2×10010021939² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10010021933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005010969 + 5005010970.

It is an arithmetic number, because the mean of its divisors is an integer number (5005010970).

Almost surely, 2^10010021939 is an apocalyptic number.

10010021939 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010021939 is an equidigital number, since it uses as much as digits as its factorization.

10010021939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The spelling of 10010021939 in words is "ten billion, ten million, twenty-one thousand, nine hundred thirty-nine".