2550603731573 has 2 divisors, whose sum is σ = 2550603731574. Its totient is φ = 2550603731572.

The previous prime is 2550603731569. The next prime is 2550603731623. The reversal of 2550603731573 is 3751373060552.

2550603731573 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1523133627409 + 1027470104164 = 1234153^2 + 1013642^2 .

It is a cyclic number.

It is not a de Polignac number, because 2550603731573 - 2² = 2550603731569 is a prime.

It is a super-2 number, since 2×2550603731573² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2550603731503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275301865786 + 1275301865787.

It is an arithmetic number, because the mean of its divisors is an integer number (1275301865787).

Almost surely, 2^{2550603731573} is an apocalyptic number.

It is an amenable number.

2550603731573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550603731573 is an equidigital number, since it uses as much as digits as its factorization.

2550603731573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1984500, while the sum is 47.

The spelling of 2550603731573 in words is "two trillion, five hundred fifty billion, six hundred three million, seven hundred thirty-one thousand, five hundred seventy-three".