1395037367689 has 9 divisors (see below), whose sum is σ = 1622808188301. Its totient is φ = 1195739228460.

The previous prime is 1395037367681. The next prime is 1395037367729. The reversal of 1395037367689 is 9867637305931.

The square root of 1395037367689 is 1181117.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1395037367689 - 2³ = 1395037367681 is a prime.

It is a super-2 number, since 2×1395037367689² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1395037367681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8183454 + ... + 8352184.

Almost surely, 2^{1395037367689} is an apocalyptic number.

1395037367689 is the 1181117-th square number.

1395037367689 is the 590559-th centered octagonal number.

It is an amenable number.

1395037367689 is a deficient number, since it is larger than the sum of its proper divisors (227770820612).

1395037367689 is an frugal number, since it uses more digits than its factorization.

1395037367689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337476 (or 168738 counting only the distinct ones).

The product of its (nonzero) digits is 154314720, while the sum is 67.

The spelling of 1395037367689 in words is "one trillion, three hundred ninety-five billion, thirty-seven million, three hundred sixty-seven thousand, six hundred eighty-nine".