199315452999 has 48 divisors (see below), whose sum is σ = 293362298880. Its totient is φ = 119658047040.

The previous prime is 199315452991. The next prime is 199315453039. The reversal of 199315452999 is 999254513991.

It is not a de Polignac number, because 199315452999 - 2³ = 199315452991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199315452991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106074342 + ... + 106076220.

It is an arithmetic number, because the mean of its divisors is an integer number (6111714560).

Almost surely, 2^199315452999 is an apocalyptic number.

199315452999 is a deficient number, since it is larger than the sum of its proper divisors (94046845881).

199315452999 is a wasteful number, since it uses less digits than its factorization.

199315452999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452 (or 3409 counting only the distinct ones).

The product of its digits is 35429400, while the sum is 66.

The spelling of 199315452999 in words is "one hundred ninety-nine billion, three hundred fifteen million, four hundred fifty-two thousand, nine hundred ninety-nine".