2750198448061 has 4 divisors (see below), whose sum is σ = 2752436202300. Its totient is φ = 2747960693824.

The previous prime is 2750198448043. The next prime is 2750198448097. The reversal of 2750198448061 is 1608448910572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1645334682436 + 1104863765625 = 1282706^2 + 1051125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750198448061 - 2⁵ = 2750198448029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2750198447993 and 2750198448011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750198448001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118875276 + ... + 1118877733.

It is an arithmetic number, because the mean of its divisors is an integer number (688109050575).

Almost surely, 2^{2750198448061} is an apocalyptic number.

It is an amenable number.

2750198448061 is a deficient number, since it is larger than the sum of its proper divisors (2237754239).

2750198448061 is a wasteful number, since it uses less digits than its factorization.

2750198448061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237754238.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 2750198448061 in words is "two trillion, seven hundred fifty billion, one hundred ninety-eight million, four hundred forty-eight thousand, sixty-one".