695146993 has 4 divisors (see below), whose sum is σ = 708263028. Its totient is φ = 682030960.

The previous prime is 695146981. The next prime is 695146997. The reversal of 695146993 is 399641596.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 389351824 + 305795169 = 19732^2 + 17487^2 .

It is a cyclic number.

It is not a de Polignac number, because 695146993 - 2⁵ = 695146961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 695146993.

It is not an unprimeable number, because it can be changed into a prime (695146997) 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 3 ways as a sum of consecutive naturals, for example, 6557938 + ... + 6558043.

It is an arithmetic number, because the mean of its divisors is an integer number (177065757).

Almost surely, 2^695146993 is an apocalyptic number.

It is an amenable number.

695146993 is a deficient number, since it is larger than the sum of its proper divisors (13116035).

695146993 is a wasteful number, since it uses less digits than its factorization.

695146993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13116034.

The product of its digits is 1574640, while the sum is 52.

The square root of 695146993 is about 26365.6403866851. The cubic root of 695146993 is about 885.8473347016.

The spelling of 695146993 in words is "six hundred ninety-five million, one hundred forty-six thousand, nine hundred ninety-three".