1377608198353 has 2 divisors, whose sum is σ = 1377608198354. Its totient is φ = 1377608198352.

The previous prime is 1377608198339. The next prime is 1377608198489. The reversal of 1377608198353 is 3538918067731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1289151326464 + 88456871889 = 1135408^2 + 297417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1377608198353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1377608198291 and 1377608198300.

It is not a weakly prime, because it can be changed into another prime (1377608198653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688804099176 + 688804099177.

It is an arithmetic number, because the mean of its divisors is an integer number (688804099177).

Almost surely, 2^{1377608198353} is an apocalyptic number.

It is an amenable number.

1377608198353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377608198353 is an equidigital number, since it uses as much as digits as its factorization.

1377608198353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 1377608198353 in words is "one trillion, three hundred seventy-seven billion, six hundred eight million, one hundred ninety-eight thousand, three hundred fifty-three".