49171234313 has 2 divisors, whose sum is σ = 49171234314. Its totient is φ = 49171234312.

The previous prime is 49171234291. The next prime is 49171234327. The reversal of 49171234313 is 31343217194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47606003344 + 1565230969 = 218188^2 + 39563^2 .

It is a cyclic number.

It is not a de Polignac number, because 49171234313 - 2¹² = 49171230217 is a prime.

It is not a weakly prime, because it can be changed into another prime (49171234363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24585617156 + 24585617157.

It is an arithmetic number, because the mean of its divisors is an integer number (24585617157).

Almost surely, 2^49171234313 is an apocalyptic number.

It is an amenable number.

49171234313 is a deficient number, since it is larger than the sum of its proper divisors (1).

49171234313 is an equidigital number, since it uses as much as digits as its factorization.

49171234313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The spelling of 49171234313 in words is "forty-nine billion, one hundred seventy-one million, two hundred thirty-four thousand, three hundred thirteen".