199700049 has 8 divisors (see below), whose sum is σ = 268182880. Its totient is φ = 132175296.

The previous prime is 199700029. The next prime is 199700101. The reversal of 199700049 is 940007991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199700049 - 2⁸ = 199699793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199700029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239032 + ... + 239865.

It is an arithmetic number, because the mean of its divisors is an integer number (33522860).

Almost surely, 2^199700049 is an apocalyptic number.

It is an amenable number.

199700049 is a deficient number, since it is larger than the sum of its proper divisors (68482831).

199700049 is a wasteful number, since it uses less digits than its factorization.

199700049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479039.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 199700049 is about 14131.5267752639. The cubic root of 199700049 is about 584.5110473527.

The spelling of 199700049 in words is "one hundred ninety-nine million, seven hundred thousand, forty-nine".