49427552359891 has 2 divisors, whose sum is σ = 49427552359892. Its totient is φ = 49427552359890.

The previous prime is 49427552359883. The next prime is 49427552359909. The reversal of 49427552359891 is 19895325572494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49427552359891 - 2³ = 49427552359883 is a prime.

It is not a weakly prime, because it can be changed into another prime (49427552359091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24713776179945 + 24713776179946.

It is an arithmetic number, because the mean of its divisors is an integer number (24713776179946).

Almost surely, 2^{49427552359891} is an apocalyptic number.

49427552359891 is a deficient number, since it is larger than the sum of its proper divisors (1).

49427552359891 is an equidigital number, since it uses as much as digits as its factorization.

49427552359891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776000, while the sum is 73.

The spelling of 49427552359891 in words is "forty-nine trillion, four hundred twenty-seven billion, five hundred fifty-two million, three hundred fifty-nine thousand, eight hundred ninety-one".