91924000213 has 2 divisors, whose sum is σ = 91924000214. Its totient is φ = 91924000212.

The previous prime is 91924000183. The next prime is 91924000297. The reversal of 91924000213 is 31200042919.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66098867409 + 25825132804 = 257097^2 + 160702^2 .

It is a cyclic number.

It is not a de Polignac number, because 91924000213 - 2¹³ = 91923992021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91924007213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45962000106 + 45962000107.

It is an arithmetic number, because the mean of its divisors is an integer number (45962000107).

Almost surely, 2^91924000213 is an apocalyptic number.

It is an amenable number.

91924000213 is a deficient number, since it is larger than the sum of its proper divisors (1).

91924000213 is an equidigital number, since it uses as much as digits as its factorization.

91924000213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 91924000213 in words is "ninety-one billion, nine hundred twenty-four million, two hundred thirteen", and thus it is an aban number.