99676442069 has 4 divisors (see below), whose sum is σ = 102891811200. Its totient is φ = 96461072940.

The previous prime is 99676442029. The next prime is 99676442071. The reversal of 99676442069 is 96024467699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96024467699 = 133201 ⋅720899.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99676442069 is a prime.

It is a super-2 number, since 2×99676442069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99676442009) 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, 1607684519 + ... + 1607684580.

It is an arithmetic number, because the mean of its divisors is an integer number (25722952800).

Almost surely, 2^99676442069 is an apocalyptic number.

It is an amenable number.

99676442069 is a deficient number, since it is larger than the sum of its proper divisors (3215369131).

99676442069 is a wasteful number, since it uses less digits than its factorization.

99676442069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215369130.

The product of its (nonzero) digits is 35271936, while the sum is 62.

The spelling of 99676442069 in words is "ninety-nine billion, six hundred seventy-six million, four hundred forty-two thousand, sixty-nine".