100373011489 has 3 divisors (see below), whose sum is σ = 100373328307. Its totient is φ = 100372694672.

The previous prime is 100373011469. The next prime is 100373011513. The reversal of 100373011489 is 984110373001.

The square root of 100373011489 is 316817.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 984110373001 = 7 ⋅140587196143.

It can be written as a sum of positive squares in only one way, i.e., 42199430625 + 58173580864 = 205425^2 + 241192^2 .

It is not a de Polignac number, because 100373011489 - 2⁵ = 100373011457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100373011469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 158409 + ... + 475225.

Almost surely, 2^100373011489 is an apocalyptic number.

100373011489 is the 316817-th square number.

100373011489 is the 158409-th centered octagonal number.

It is an amenable number.

100373011489 is a deficient number, since it is larger than the sum of its proper divisors (316818).

100373011489 is an frugal number, since it uses more digits than its factorization.

100373011489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633634 (or 316817 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 100373011489 in words is "one hundred billion, three hundred seventy-three million, eleven thousand, four hundred eighty-nine".