1695416405 has 16 divisors (see below), whose sum is σ = 2108003184. Its totient is φ = 1307980800.

The previous prime is 1695416399. The next prime is 1695416431. The reversal of 1695416405 is 5046145961.

It can be written as a sum of positive squares in 8 ways, for example, as 2669956 + 1692746449 = 1634^2 + 41143^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1695416405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19646 + ... + 61455.

It is an arithmetic number, because the mean of its divisors is an integer number (131750199).

Almost surely, 2^1695416405 is an apocalyptic number.

It is an amenable number.

1695416405 is a deficient number, since it is larger than the sum of its proper divisors (412586779).

1695416405 is a wasteful number, since it uses less digits than its factorization.

1695416405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81256.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 1695416405 is about 41175.4344846536. The cubic root of 1695416405 is about 1192.4095904572.

The spelling of 1695416405 in words is "one billion, six hundred ninety-five million, four hundred sixteen thousand, four hundred five".