49396129 has 2 divisors, whose sum is σ = 49396130. Its totient is φ = 49396128.

The previous prime is 49396117. The next prime is 49396133. The reversal of 49396129 is 92169394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48441600 + 954529 = 6960^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 49396129 - 2⁵ = 49396097 is a prime.

It is not a weakly prime, because it can be changed into another prime (49396189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24698064 + 24698065.

It is an arithmetic number, because the mean of its divisors is an integer number (24698065).

Almost surely, 2^49396129 is an apocalyptic number.

It is an amenable number.

49396129 is a deficient number, since it is larger than the sum of its proper divisors (1).

49396129 is an equidigital number, since it uses as much as digits as its factorization.

49396129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 43.

The square root of 49396129 is about 7028.2379726358. The cubic root of 49396129 is about 366.9140188662.

The spelling of 49396129 in words is "forty-nine million, three hundred ninety-six thousand, one hundred twenty-nine".