2097758736554 has 16 divisors (see below), whose sum is σ = 3389077911240. Its totient is φ = 968084705280.

The previous prime is 2097758736539. The next prime is 2097758736569. The reversal of 2097758736554 is 4556378577902.

It is an interprime number because it is at equal distance from previous prime (2097758736539) and next prime (2097758736569).

It can be written as a sum of positive squares in 4 ways, for example, as 2092145280625 + 5613455929 = 1446425^2 + 74923^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4421399 + ... + 4872810.

Almost surely, 2^{2097758736554} is an apocalyptic number.

2097758736554 is a deficient number, since it is larger than the sum of its proper divisors (1291319174686).

2097758736554 is a wasteful number, since it uses less digits than its factorization.

2097758736554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9302905.

The product of its (nonzero) digits is 444528000, while the sum is 68.

The spelling of 2097758736554 in words is "two trillion, ninety-seven billion, seven hundred fifty-eight million, seven hundred thirty-six thousand, five hundred fifty-four".