49643292073 has 2 divisors, whose sum is σ = 49643292074.
Its totient is φ = 49643292072.
The previous prime is 49643292031. The next prime is 49643292091. The reversal of 49643292073 is 37029234694.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28265343129 + 21377948944 = 168123^2 + 146212^2
It is a cyclic number.
It is not a de Polignac number, because 49643292073 - 221 = 49641194921 is a prime.
It is not a weakly prime, because it can be changed into another prime (49643272073) 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, 24821646036 + 24821646037.
It is an arithmetic number, because the mean of its divisors is an integer number (24821646037).
Almost surely, 249643292073 is an apocalyptic number.
It is an amenable number.
49643292073 is a deficient number, since it is larger than the sum of its proper divisors (1).
49643292073 is an equidigital number, since it uses as much as digits as its factorization.
49643292073 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1959552, while the sum is 49.
The spelling of 49643292073 in words is "forty-nine billion, six hundred forty-three million, two hundred ninety-two thousand, seventy-three".