49001258171 has 2 divisors, whose sum is σ = 49001258172. Its totient is φ = 49001258170.

The previous prime is 49001258057. The next prime is 49001258209. The reversal of 49001258171 is 17185210094.

It is an a-pointer prime, because the next prime (49001258209) can be obtained adding 49001258171 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49001258171 - 2³⁰ = 47927516347 is a prime.

It is a super-2 number, since 2×49001258171² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49001251171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24500629085 + 24500629086.

It is an arithmetic number, because the mean of its divisors is an integer number (24500629086).

Almost surely, 2^49001258171 is an apocalyptic number.

49001258171 is a deficient number, since it is larger than the sum of its proper divisors (1).

49001258171 is an equidigital number, since it uses as much as digits as its factorization.

49001258171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 49001258171 in words is "forty-nine billion, one million, two hundred fifty-eight thousand, one hundred seventy-one".