10099684655 has 4 divisors (see below), whose sum is σ = 12119621592. Its totient is φ = 8079747720.

The previous prime is 10099684627. The next prime is 10099684657. The reversal of 10099684655 is 55648699001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10099684655 - 2⁶ = 10099684591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10099684597 and 10099684606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10099684657) 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, 1009968461 + ... + 1009968470.

It is an arithmetic number, because the mean of its divisors is an integer number (3029905398).

Almost surely, 2^10099684655 is an apocalyptic number.

10099684655 is a deficient number, since it is larger than the sum of its proper divisors (2019936937).

10099684655 is an equidigital number, since it uses as much as digits as its factorization.

10099684655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019936936.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 10099684655 in words is "ten billion, ninety-nine million, six hundred eighty-four thousand, six hundred fifty-five".