191530454014 has 8 divisors (see below), whose sum is σ = 287425509480. Its totient is φ = 95721950856.

The previous prime is 191530453987. The next prime is 191530454077. The reversal of 191530454014 is 410454035191.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21632544 + ... + 21641395.

It is an arithmetic number, because the mean of its divisors is an integer number (35928188685).

Almost surely, 2^191530454014 is an apocalyptic number.

191530454014 is a deficient number, since it is larger than the sum of its proper divisors (95895055466).

191530454014 is a wasteful number, since it uses less digits than its factorization.

191530454014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43276154.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 191530454014 in words is "one hundred ninety-one billion, five hundred thirty million, four hundred fifty-four thousand, fourteen".