1695490000 has 100 divisors (see below), whose sum is σ = 4201480096. Its totient is φ = 662256000.

The previous prime is 1695489997. The next prime is 1695490009. The reversal of 1695490000 is 945961.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1695490009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 428029 + ... + 431971.

Almost surely, 2^1695490000 is an apocalyptic number.

1695490000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1695490000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2100740048).

1695490000 is an abundant number, since it is smaller than the sum of its proper divisors (2505990096).

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

1695490000 is an equidigital number, since it uses as much as digits as its factorization.

1695490000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014 (or 3993 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1695490000 is about 41176.3281510141. The cubic root of 1695490000 is about 1192.4268436649.

The spelling of 1695490000 in words is "one billion, six hundred ninety-five million, four hundred ninety thousand".