695947478045 has 4 divisors (see below), whose sum is σ = 835136973660. Its totient is φ = 556757982432.

The previous prime is 695947478011. The next prime is 695947478047. The reversal of 695947478045 is 540874749596.

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 157840138681 + 538107339364 = 397291^2 + 733558^2 .

It is a cyclic number.

It is not a de Polignac number, because 695947478045 - 2¹⁴ = 695947461661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695947478047) 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, 69594747800 + ... + 69594747809.

It is an arithmetic number, because the mean of its divisors is an integer number (208784243415).

Almost surely, 2^695947478045 is an apocalyptic number.

It is an amenable number.

695947478045 is a deficient number, since it is larger than the sum of its proper divisors (139189495615).

695947478045 is a wasteful number, since it uses less digits than its factorization.

695947478045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139189495614.

The product of its (nonzero) digits is 304819200, while the sum is 68.

The spelling of 695947478045 in words is "six hundred ninety-five billion, nine hundred forty-seven million, four hundred seventy-eight thousand, forty-five".