2550546343849 has 27 divisors (see below), whose sum is σ = 2980194289893. Its totient is φ = 2176475753088.

The previous prime is 2550546343843. The next prime is 2550546343859. The reversal of 2550546343849 is 9483436450552.

It is a happy number.

The square root of 2550546343849 is 1597043.

It is a perfect power (a square), and thus also a powerful number.

2550546343849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 521346093849 + 2029200250000 = 722043^2 + 1424500^2 .

It is not a de Polignac number, because 2550546343849 - 2⁵ = 2550546343817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2550546343793 and 2550546343802.

It is not an unprimeable number, because it can be changed into a prime (2550546343843) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3767424099 + ... + 3767424775.

Almost surely, 2^{2550546343849} is an apocalyptic number.

2550546343849 is the 1597043-rd square number.

2550546343849 is the 798522-nd centered octagonal number.

It is an amenable number.

2550546343849 is a deficient number, since it is larger than the sum of its proper divisors (429647946044).

2550546343849 is an frugal number, since it uses more digits than its factorization.

2550546343849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 58.

The spelling of 2550546343849 in words is "two trillion, five hundred fifty billion, five hundred forty-six million, three hundred forty-three thousand, eight hundred forty-nine".