10091863450 has 12 divisors (see below), whose sum is σ = 18770866110. Its totient is φ = 4036745360.

The previous prime is 10091863417. The next prime is 10091863477. The reversal of 10091863450 is 5436819001.

10091863450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 6187238281 + 3904625169 = 78659^2 + 62487^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100918585 + ... + 100918684.

Almost surely, 2^10091863450 is an apocalyptic number.

10091863450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10091863450 is a deficient number, since it is larger than the sum of its proper divisors (8679002660).

10091863450 is a wasteful number, since it uses less digits than its factorization.

10091863450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201837281 (or 201837276 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 10091863450 in words is "ten billion, ninety-one million, eight hundred sixty-three thousand, four hundred fifty".