11429009993 has 2 divisors, whose sum is σ = 11429009994. Its totient is φ = 11429009992.

The previous prime is 11429009929. The next prime is 11429010007. The reversal of 11429009993 is 39990092411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11160443449 + 268566544 = 105643^2 + 16388^2 .

It is a cyclic number.

It is not a de Polignac number, because 11429009993 - 2⁶ = 11429009929 is a prime.

It is not a weakly prime, because it can be changed into another prime (11429009923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5714504996 + 5714504997.

It is an arithmetic number, because the mean of its divisors is an integer number (5714504997).

Almost surely, 2^11429009993 is an apocalyptic number.

It is an amenable number.

11429009993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11429009993 is an equidigital number, since it uses as much as digits as its factorization.

11429009993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 11429009993 in words is "eleven billion, four hundred twenty-nine million, nine thousand, nine hundred ninety-three".