10199543450 has 24 divisors (see below), whose sum is σ = 18976597920. Its totient is φ = 4078646000.

The previous prime is 10199543447. The next prime is 10199543467. The reversal of 10199543450 is 5434599101.

It is a junction number, because it is equal to n+sod(n) for n = 10199543398 and 10199543407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158525 + ... + 213375.

It is an arithmetic number, because the mean of its divisors is an integer number (790691580).

Almost surely, 2^10199543450 is an apocalyptic number.

10199543450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10199543450 is a deficient number, since it is larger than the sum of its proper divisors (8777054470).

10199543450 is a wasteful number, since it uses less digits than its factorization.

10199543450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58582 (or 58577 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 10199543450 in words is "ten billion, one hundred ninety-nine million, five hundred forty-three thousand, four hundred fifty".