191450049 has 16 divisors (see below), whose sum is σ = 292036608. Its totient is φ = 109286352.

The previous prime is 191450047. The next prime is 191450059. The reversal of 191450049 is 940054191.

191450049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 191450049 - 2¹ = 191450047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (191450047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18634 + ... + 27020.

It is an arithmetic number, because the mean of its divisors is an integer number (18252288).

Almost surely, 2^191450049 is an apocalyptic number.

It is an amenable number.

191450049 is a deficient number, since it is larger than the sum of its proper divisors (100586559).

191450049 is a wasteful number, since it uses less digits than its factorization.

191450049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9484.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 191450049 is about 13836.5475823993. The cubic root of 191450049 is about 576.3484912498.

The spelling of 191450049 in words is "one hundred ninety-one million, four hundred fifty thousand, forty-nine".