194376313257 has 16 divisors (see below), whose sum is σ = 296208494592. Its totient is φ = 111066172560.

The previous prime is 194376313237. The next prime is 194376313267. The reversal of 194376313257 is 752313673491.

194376313257 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 194376313257 - 2⁶ = 194376313193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194376313237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163198 + ... + 644504.

It is an arithmetic number, because the mean of its divisors is an integer number (18513030912).

Almost surely, 2^194376313257 is an apocalyptic number.

It is an amenable number.

194376313257 is a deficient number, since it is larger than the sum of its proper divisors (101832181335).

194376313257 is a wasteful number, since it uses less digits than its factorization.

194376313257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500548.

The product of its digits is 2857680, while the sum is 51.

The spelling of 194376313257 in words is "one hundred ninety-four billion, three hundred seventy-six million, three hundred thirteen thousand, two hundred fifty-seven".