157873453313 has 2 divisors, whose sum is σ = 157873453314. Its totient is φ = 157873453312.

The previous prime is 157873453303. The next prime is 157873453349. The reversal of 157873453313 is 313354378751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131560720369 + 26312732944 = 362713^2 + 162212^2 .

It is a cyclic number.

It is not a de Polignac number, because 157873453313 - 2⁸ = 157873453057 is a prime.

It is not a weakly prime, because it can be changed into another prime (157873453303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78936726656 + 78936726657.

It is an arithmetic number, because the mean of its divisors is an integer number (78936726657).

Almost surely, 2^157873453313 is an apocalyptic number.

It is an amenable number.

157873453313 is a deficient number, since it is larger than the sum of its proper divisors (1).

157873453313 is an equidigital number, since it uses as much as digits as its factorization.

157873453313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 50.

The spelling of 157873453313 in words is "one hundred fifty-seven billion, eight hundred seventy-three million, four hundred fifty-three thousand, three hundred thirteen".