49113133109 has 2 divisors, whose sum is σ = 49113133110. Its totient is φ = 49113133108.

The previous prime is 49113133081. The next prime is 49113133163. The reversal of 49113133109 is 90133131194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41986059025 + 7127074084 = 204905^2 + 84422^2 .

It is a cyclic number.

It is not a de Polignac number, because 49113133109 - 2¹⁶ = 49113067573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49113133409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24556566554 + 24556566555.

It is an arithmetic number, because the mean of its divisors is an integer number (24556566555).

Almost surely, 2^49113133109 is an apocalyptic number.

It is an amenable number.

49113133109 is a deficient number, since it is larger than the sum of its proper divisors (1).

49113133109 is an equidigital number, since it uses as much as digits as its factorization.

49113133109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The spelling of 49113133109 in words is "forty-nine billion, one hundred thirteen million, one hundred thirty-three thousand, one hundred nine".