1395706659669 has 48 divisors (see below), whose sum is σ = 2419203320640. Its totient is φ = 792936436320.

The previous prime is 1395706659647. The next prime is 1395706659701. The reversal of 1395706659669 is 9669566075931.

It is a happy number.

1395706659669 is a `hidden beast` number, since 1 + 395 + 70 + 66 + 59 + 6 + 69 = 666.

It is not a de Polignac number, because 1395706659669 - 2¹¹ = 1395706657621 is a prime.

It is a super-2 number, since 2×1395706659669² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1395706659597 and 1395706659606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395706659629) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2820127 + ... + 3277884.

It is an arithmetic number, because the mean of its divisors is an integer number (50400069180).

Almost surely, 2^{1395706659669} is an apocalyptic number.

It is an amenable number.

1395706659669 is a deficient number, since it is larger than the sum of its proper divisors (1023496660971).

1395706659669 is a wasteful number, since it uses less digits than its factorization.

1395706659669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098207 (or 6098194 counting only the distinct ones).

The product of its (nonzero) digits is 496011600, while the sum is 72.

The spelling of 1395706659669 in words is "one trillion, three hundred ninety-five billion, seven hundred six million, six hundred fifty-nine thousand, six hundred sixty-nine".