157713706109 has 2 divisors, whose sum is σ = 157713706110. Its totient is φ = 157713706108.

The previous prime is 157713706099. The next prime is 157713706141. The reversal of 157713706109 is 901607317751.

It is a happy number.

157713706109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135832788025 + 21880918084 = 368555^2 + 147922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157713706109 is a prime.

It is a super-2 number, since 2×157713706109² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157713706159) 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 as a sum of consecutive naturals, namely, 78856853054 + 78856853055.

It is an arithmetic number, because the mean of its divisors is an integer number (78856853055).

Almost surely, 2^157713706109 is an apocalyptic number.

It is an amenable number.

157713706109 is a deficient number, since it is larger than the sum of its proper divisors (1).

157713706109 is an equidigital number, since it uses as much as digits as its factorization.

157713706109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 277830, while the sum is 47.

The spelling of 157713706109 in words is "one hundred fifty-seven billion, seven hundred thirteen million, seven hundred six thousand, one hundred nine".