99542217269 has 4 divisors (see below), whose sum is σ = 108591509760. Its totient is φ = 90492924780.

The previous prime is 99542217263. The next prime is 99542217301. The reversal of 99542217269 is 96271224599.

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.

It is a cyclic number.

It is not a de Polignac number, because 99542217269 - 2²⁰ = 99541168693 is a prime.

It is a super-2 number, since 2×99542217269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99542217263) 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, 4524646229 + ... + 4524646250.

It is an arithmetic number, because the mean of its divisors is an integer number (27147877440).

Almost surely, 2^99542217269 is an apocalyptic number.

It is an amenable number.

99542217269 is a deficient number, since it is larger than the sum of its proper divisors (9049292491).

99542217269 is a wasteful number, since it uses less digits than its factorization.

99542217269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9049292490.

The product of its digits is 4898880, while the sum is 56.

The spelling of 99542217269 in words is "ninety-nine billion, five hundred forty-two million, two hundred seventeen thousand, two hundred sixty-nine".