199234214647 has 16 divisors (see below), whose sum is σ = 219842495488. Its totient is φ = 179391996000.

The previous prime is 199234214639. The next prime is 199234214671. The reversal of 199234214647 is 746412432991.

It is a cyclic number.

It is not a de Polignac number, because 199234214647 - 2³ = 199234214639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199234214594 and 199234214603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199234214147) 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, 182518 + ... + 657100.

It is an arithmetic number, because the mean of its divisors is an integer number (13740155968).

Almost surely, 2^199234214647 is an apocalyptic number.

199234214647 is a deficient number, since it is larger than the sum of its proper divisors (20608280841).

199234214647 is a wasteful number, since it uses less digits than its factorization.

199234214647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475390.

The product of its digits is 2612736, while the sum is 52.

The spelling of 199234214647 in words is "one hundred ninety-nine billion, two hundred thirty-four million, two hundred fourteen thousand, six hundred forty-seven".