1695645612 has 18 divisors (see below), whose sum is σ = 4286215388. Its totient is φ = 565215192.

The previous prime is 1695645607. The next prime is 1695645613. The reversal of 1695645612 is 2165465961.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1695645613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23550598 + ... + 23550669.

Almost surely, 2^1695645612 is an apocalyptic number.

1695645612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1695645612 is an abundant number, since it is smaller than the sum of its proper divisors (2590569776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1695645612 is a wasteful number, since it uses less digits than its factorization.

1695645612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47101277 (or 47101272 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 1695645612 is about 41178.2176884819. The cubic root of 1695645612 is about 1192.4633228438.

The spelling of 1695645612 in words is "one billion, six hundred ninety-five million, six hundred forty-five thousand, six hundred twelve".