13043347157 has 2 divisors, whose sum is σ = 13043347158. Its totient is φ = 13043347156.

The previous prime is 13043347147. The next prime is 13043347199. The reversal of 13043347157 is 75174334031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13006490116 + 36857041 = 114046^2 + 6071^2 .

It is a cyclic number.

It is not a de Polignac number, because 13043347157 - 2¹⁶ = 13043281621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13043347157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13043347147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6521673578 + 6521673579.

It is an arithmetic number, because the mean of its divisors is an integer number (6521673579).

Almost surely, 2^13043347157 is an apocalyptic number.

It is an amenable number.

13043347157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13043347157 is an equidigital number, since it uses as much as digits as its factorization.

13043347157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 13043347157 in words is "thirteen billion, forty-three million, three hundred forty-seven thousand, one hundred fifty-seven".