99219643399 has 2 divisors, whose sum is σ = 99219643400. Its totient is φ = 99219643398.

The previous prime is 99219643357. The next prime is 99219643441. The reversal of 99219643399 is 99334691299.

It is a balanced prime because it is at equal distance from previous prime (99219643357) and next prime (99219643441).

It is a cyclic number.

It is not a de Polignac number, because 99219643399 - 2²¹ = 99217546247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99219643399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99219643499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49609821699 + 49609821700.

It is an arithmetic number, because the mean of its divisors is an integer number (49609821700).

Almost surely, 2^99219643399 is an apocalyptic number.

99219643399 is a deficient number, since it is larger than the sum of its proper divisors (1).

99219643399 is an equidigital number, since it uses as much as digits as its factorization.

99219643399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25509168, while the sum is 64.

The spelling of 99219643399 in words is "ninety-nine billion, two hundred nineteen million, six hundred forty-three thousand, three hundred ninety-nine".