99953106443 has 2 divisors, whose sum is σ = 99953106444. Its totient is φ = 99953106442.

The previous prime is 99953106413. The next prime is 99953106479. The reversal of 99953106443 is 34460135999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99953106443 - 2¹⁰ = 99953105419 is a prime.

It is a super-2 number, since 2×99953106443² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99953106413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49976553221 + 49976553222.

It is an arithmetic number, because the mean of its divisors is an integer number (49976553222).

Almost surely, 2^99953106443 is an apocalyptic number.

99953106443 is a deficient number, since it is larger than the sum of its proper divisors (1).

99953106443 is an equidigital number, since it uses as much as digits as its factorization.

99953106443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 99953106443 in words is "ninety-nine billion, nine hundred fifty-three million, one hundred six thousand, four hundred forty-three".