194007932749 has 8 divisors (see below), whose sum is σ = 198703383552. Its totient is φ = 189350812560.

The previous prime is 194007932731. The next prime is 194007932809. The reversal of 194007932749 is 947239700491.

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

It is a cyclic number.

It is not a de Polignac number, because 194007932749 - 2¹⁹ = 194007408461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194007932749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194007942749) 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, 9572409 + ... + 9592654.

It is an arithmetic number, because the mean of its divisors is an integer number (24837922944).

Almost surely, 2^194007932749 is an apocalyptic number.

It is an amenable number.

194007932749 is a deficient number, since it is larger than the sum of its proper divisors (4695450803).

194007932749 is a wasteful number, since it uses less digits than its factorization.

194007932749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19165307.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 194007932749 in words is "one hundred ninety-four billion, seven million, nine hundred thirty-two thousand, seven hundred forty-nine".