10993993 has 2 divisors, whose sum is σ = 10993994. Its totient is φ = 10993992.

The previous prime is 10993973. The next prime is 10994003. The reversal of 10993993 is 39939901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10969344 + 24649 = 3312^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 10993993 - 2¹⁷ = 10862921 is a prime.

It is not a weakly prime, because it can be changed into another prime (10993943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5496996 + 5496997.

It is an arithmetic number, because the mean of its divisors is an integer number (5496997).

Almost surely, 2^10993993 is an apocalyptic number.

It is an amenable number.

10993993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10993993 is an equidigital number, since it uses as much as digits as its factorization.

10993993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59049, while the sum is 43.

The square root of 10993993 is about 3315.7190773647. The cubic root of 10993993 is about 222.3575185085.

The spelling of 10993993 in words is "ten million, nine hundred ninety-three thousand, nine hundred ninety-three".