49149151 has 2 divisors, whose sum is σ = 49149152. Its totient is φ = 49149150.

The previous prime is 49149101. The next prime is 49149157. The reversal of 49149151 is 15194194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49149151 - 2¹¹ = 49147103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49149157) 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, 24574575 + 24574576.

It is an arithmetic number, because the mean of its divisors is an integer number (24574576).

Almost surely, 2^49149151 is an apocalyptic number.

49149151 is a deficient number, since it is larger than the sum of its proper divisors (1).

49149151 is an equidigital number, since it uses as much as digits as its factorization.

49149151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 34.

The square root of 49149151 is about 7010.6455480220. The cubic root of 49149151 is about 366.3014800262.

The spelling of 49149151 in words is "forty-nine million, one hundred forty-nine thousand, one hundred fifty-one".