1695505812 has 576 divisors, whose sum is σ = 6193926144. Its totient is φ = 346705920.

The previous prime is 1695505739. The next prime is 1695505853. The reversal of 1695505812 is 2185055961.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 73717633 + ... + 73717655.

It is an arithmetic number, because the mean of its divisors is an integer number (10753344).

Almost surely, 2^1695505812 is an apocalyptic number.

1695505812 is a gapful number since it is divisible by the number (12) 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 1695505812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3096963072).

1695505812 is an abundant number, since it is smaller than the sum of its proper divisors (4498420332).

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

1695505812 is a wasteful number, since it uses less digits than its factorization.

1695505812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 42.

The square root of 1695505812 is about 41176.5201540878. The cubic root of 1695505812 is about 1192.4305504782.

The spelling of 1695505812 in words is "one billion, six hundred ninety-five million, five hundred five thousand, eight hundred twelve".