10199912893 has 4 divisors (see below), whose sum is σ = 10215533628. Its totient is φ = 10184292160.

The previous prime is 10199912887. The next prime is 10199912927. The reversal of 10199912893 is 39821999101.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 963357444 + 9236555449 = 31038^2 + 96107^2 .

It is a cyclic number.

It is not a de Polignac number, because 10199912893 - 2¹⁷ = 10199781821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10199912893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10199912843) 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, 7809388 + ... + 7810693.

It is an arithmetic number, because the mean of its divisors is an integer number (2553883407).

Almost surely, 2^10199912893 is an apocalyptic number.

It is an amenable number.

10199912893 is a deficient number, since it is larger than the sum of its proper divisors (15620735).

10199912893 is an equidigital number, since it uses as much as digits as its factorization.

10199912893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620734.

The product of its (nonzero) digits is 314928, while the sum is 52.

The spelling of 10199912893 in words is "ten billion, one hundred ninety-nine million, nine hundred twelve thousand, eight hundred ninety-three".