2550547189973 has 2 divisors, whose sum is σ = 2550547189974. Its totient is φ = 2550547189972.

The previous prime is 2550547189933. The next prime is 2550547190039. The reversal of 2550547189973 is 3799817450552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1559244197809 + 991302992164 = 1248697^2 + 995642^2 .

It is a cyclic number.

It is not a de Polignac number, because 2550547189973 - 2²⁰ = 2550546141397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2550547189933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275273594986 + 1275273594987.

It is an arithmetic number, because the mean of its divisors is an integer number (1275273594987).

Almost surely, 2^{2550547189973} is an apocalyptic number.

It is an amenable number.

2550547189973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550547189973 is an equidigital number, since it uses as much as digits as its factorization.

2550547189973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256000, while the sum is 65.

The spelling of 2550547189973 in words is "two trillion, five hundred fifty billion, five hundred forty-seven million, one hundred eighty-nine thousand, nine hundred seventy-three".