100010045491 has 16 divisors (see below), whose sum is σ = 101065255200. Its totient is φ = 98960803840.

The previous prime is 100010045489. The next prime is 100010045507. The reversal of 100010045491 is 194540010001.

It is a cyclic number.

It is not a de Polignac number, because 100010045491 - 2¹ = 100010045489 is a prime.

It is a super-2 number, since 2×100010045491² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100010045461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82176915 + ... + 82178131.

It is an arithmetic number, because the mean of its divisors is an integer number (6316578450).

Almost surely, 2^100010045491 is an apocalyptic number.

100010045491 is a deficient number, since it is larger than the sum of its proper divisors (1055209709).

100010045491 is a wasteful number, since it uses less digits than its factorization.

100010045491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 100010045491 its reverse (194540010001), we get a palindrome (294550055492).

The spelling of 100010045491 in words is "one hundred billion, ten million, forty-five thousand, four hundred ninety-one".