194245772804 has 6 divisors (see below), whose sum is σ = 339930102414. Its totient is φ = 97122886400.

The previous prime is 194245772803. The next prime is 194245772821. The reversal of 194245772804 is 408277542491.

It can be written as a sum of positive squares in only one way, i.e., 190486856704 + 3758916100 = 436448^2 + 61310^2 .

It is not an unprimeable number, because it can be changed into a prime (194245772803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24280721597 + ... + 24280721604.

It is an arithmetic number, because the mean of its divisors is an integer number (56655017069).

Almost surely, 2^194245772804 is an apocalyptic number.

It is an amenable number.

194245772804 is a deficient number, since it is larger than the sum of its proper divisors (145684329610).

194245772804 is a wasteful number, since it uses less digits than its factorization.

194245772804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48561443205 (or 48561443203 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 194245772804 in words is "one hundred ninety-four billion, two hundred forty-five million, seven hundred seventy-two thousand, eight hundred four".