1385677250189 has 2 divisors, whose sum is σ = 1385677250190. Its totient is φ = 1385677250188.

The previous prime is 1385677250179. The next prime is 1385677250197. The reversal of 1385677250189 is 9810527765831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 901911096100 + 483766154089 = 949690^2 + 695533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1385677250189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1385677250119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692838625094 + 692838625095.

It is an arithmetic number, because the mean of its divisors is an integer number (692838625095).

Almost surely, 2^{1385677250189} is an apocalyptic number.

It is an amenable number.

1385677250189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385677250189 is an equidigital number, since it uses as much as digits as its factorization.

1385677250189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 62.

The spelling of 1385677250189 in words is "one trillion, three hundred eighty-five billion, six hundred seventy-seven million, two hundred fifty thousand, one hundred eighty-nine".