100010028391 has 8 divisors (see below), whose sum is σ = 123089265824. Its totient is φ = 79128813600.

The previous prime is 100010028389. The next prime is 100010028409. The reversal of 100010028391 is 193820010001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100010028391 - 2¹ = 100010028389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010028191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549505560 + ... + 549505741.

It is an arithmetic number, because the mean of its divisors is an integer number (15386158228).

Almost surely, 2^100010028391 is an apocalyptic number.

100010028391 is a deficient number, since it is larger than the sum of its proper divisors (23079237433).

100010028391 is a wasteful number, since it uses less digits than its factorization.

100010028391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099011321.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 100010028391 its reverse (193820010001), we get a palindrome (293830038392).

The spelling of 100010028391 in words is "one hundred billion, ten million, twenty-eight thousand, three hundred ninety-one".