49528475897 has 2 divisors, whose sum is σ = 49528475898. Its totient is φ = 49528475896.

The previous prime is 49528475809. The next prime is 49528475981. The reversal of 49528475897 is 79857482594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47862938176 + 1665537721 = 218776^2 + 40811^2 .

It is a cyclic number.

It is not a de Polignac number, because 49528475897 - 2³⁰ = 48454734073 is a prime.

It is not a weakly prime, because it can be changed into another prime (49528475797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24764237948 + 24764237949.

It is an arithmetic number, because the mean of its divisors is an integer number (24764237949).

Almost surely, 2^49528475897 is an apocalyptic number.

It is an amenable number.

49528475897 is a deficient number, since it is larger than the sum of its proper divisors (1).

49528475897 is an equidigital number, since it uses as much as digits as its factorization.

49528475897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 203212800, while the sum is 68.

The spelling of 49528475897 in words is "forty-nine billion, five hundred twenty-eight million, four hundred seventy-five thousand, eight hundred ninety-seven".