1395213669 has 12 divisors (see below), whose sum is σ = 2015728416. Its totient is φ = 929948712.

The previous prime is 1395213661. The next prime is 1395213671. The reversal of 1395213669 is 9663125931.

1395213669 is a `hidden beast` number, since 1 + 39 + 521 + 36 + 69 = 666.

It is not a de Polignac number, because 1395213669 - 2³ = 1395213661 is a prime.

It is a super-2 number, since 2×1395213669² = 3893242364328883122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395213661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39592 + ... + 66014.

It is an arithmetic number, because the mean of its divisors is an integer number (167977368).

Almost surely, 2^1395213669 is an apocalyptic number.

It is an amenable number.

1395213669 is a deficient number, since it is larger than the sum of its proper divisors (620514747).

1395213669 is a wasteful number, since it uses less digits than its factorization.

1395213669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32296 (or 32293 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 1395213669 is about 37352.5590689580. The cubic root of 1395213669 is about 1117.4126256326.

The spelling of 1395213669 in words is "one billion, three hundred ninety-five million, two hundred thirteen thousand, six hundred sixty-nine".