695000019 has 16 divisors (see below), whose sum is σ = 1069332992. Its totient is φ = 393285888.

The previous prime is 695000017. The next prime is 695000057. The reversal of 695000019 is 910000596.

It is not a de Polignac number, because 695000019 - 2¹ = 695000017 is a prime.

It is a super-2 number, since 2×695000019² = 966050052820000722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 695000019.

It is not an unprimeable number, because it can be changed into a prime (695000017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158494 + ... + 162819.

It is an arithmetic number, because the mean of its divisors is an integer number (66833312).

Almost surely, 2^695000019 is an apocalyptic number.

695000019 is a deficient number, since it is larger than the sum of its proper divisors (374332973).

695000019 is a wasteful number, since it uses less digits than its factorization.

695000019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321426.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 695000019 is about 26362.8530132837. The cubic root of 695000019 is about 885.7848991284.

The spelling of 695000019 in words is "six hundred ninety-five million, nineteen", and thus it is an aban number.