53647493873 has 2 divisors, whose sum is σ = 53647493874. Its totient is φ = 53647493872.

The previous prime is 53647493839. The next prime is 53647493969. The reversal of 53647493873 is 37839474635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47133712609 + 6513781264 = 217103^2 + 80708^2 .

It is a cyclic number.

It is not a de Polignac number, because 53647493873 - 2¹⁴ = 53647477489 is a prime.

It is not a weakly prime, because it can be changed into another prime (53647093873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26823746936 + 26823746937.

It is an arithmetic number, because the mean of its divisors is an integer number (26823746937).

Almost surely, 2^53647493873 is an apocalyptic number.

It is an amenable number.

53647493873 is a deficient number, since it is larger than the sum of its proper divisors (1).

53647493873 is an equidigital number, since it uses as much as digits as its factorization.

53647493873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 59.

The spelling of 53647493873 in words is "fifty-three billion, six hundred forty-seven million, four hundred ninety-three thousand, eight hundred seventy-three".