49164379427 has 2 divisors, whose sum is σ = 49164379428. Its totient is φ = 49164379426.

The previous prime is 49164379421. The next prime is 49164379463. The reversal of 49164379427 is 72497346194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49164379427 - 2⁸ = 49164379171 is a prime.

It is not a weakly prime, because it can be changed into another prime (49164379421) 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, 24582189713 + 24582189714.

It is an arithmetic number, because the mean of its divisors is an integer number (24582189714).

Almost surely, 2^49164379427 is an apocalyptic number.

49164379427 is a deficient number, since it is larger than the sum of its proper divisors (1).

49164379427 is an equidigital number, since it uses as much as digits as its factorization.

49164379427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 56.

The spelling of 49164379427 in words is "forty-nine billion, one hundred sixty-four million, three hundred seventy-nine thousand, four hundred twenty-seven".