99102643 has 4 divisors (see below), whose sum is σ = 99696240. Its totient is φ = 98509048.

The previous prime is 99102611. The next prime is 99102677. The reversal of 99102643 is 34620199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34620199 = 89 ⋅388991.

It is a cyclic number.

It is not a de Polignac number, because 99102643 - 2⁵ = 99102611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99102599 and 99102608.

It is not an unprimeable number, because it can be changed into a prime (99106643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296548 + ... + 296881.

It is an arithmetic number, because the mean of its divisors is an integer number (24924060).

Almost surely, 2^99102643 is an apocalyptic number.

99102643 is a deficient number, since it is larger than the sum of its proper divisors (593597).

99102643 is a wasteful number, since it uses less digits than its factorization.

99102643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593596.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 99102643 is about 9955.0310396302. The cubic root of 99102643 is about 462.7663221921.

The spelling of 99102643 in words is "ninety-nine million, one hundred two thousand, six hundred forty-three".