100645727233 has 4 divisors (see below), whose sum is σ = 100646426160. Its totient is φ = 100645028308.

The previous prime is 100645727183. The next prime is 100645727239. The reversal of 100645727233 is 332727546001.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 100645727233 - 2²⁹ = 100108856321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100645727239) 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, 45103 + ... + 450916.

It is an arithmetic number, because the mean of its divisors is an integer number (25161606540).

Almost surely, 2^100645727233 is an apocalyptic number.

It is an amenable number.

100645727233 is a deficient number, since it is larger than the sum of its proper divisors (698927).

100645727233 is an equidigital number, since it uses as much as digits as its factorization.

100645727233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698926.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 100645727233 in words is "one hundred billion, six hundred forty-five million, seven hundred twenty-seven thousand, two hundred thirty-three".