100455946491 has 8 divisors (see below), whose sum is σ = 141820159824. Its totient is φ = 63031182080.

The previous prime is 100455946477. The next prime is 100455946511. The reversal of 100455946491 is 194649554001.

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 100455946491 - 2¹⁰ = 100455945467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100455946491.

It is not an unprimeable number, because it can be changed into a prime (100455946421) 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, 984862170 + ... + 984862271.

It is an arithmetic number, because the mean of its divisors is an integer number (17727519978).

Almost surely, 2^100455946491 is an apocalyptic number.

100455946491 is a deficient number, since it is larger than the sum of its proper divisors (41364213333).

100455946491 is a wasteful number, since it uses less digits than its factorization.

100455946491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969724461.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 100455946491 in words is "one hundred billion, four hundred fifty-five million, nine hundred forty-six thousand, four hundred ninety-one".