695445047 has 4 divisors (see below), whose sum is σ = 758667336. Its totient is φ = 632222760.

The previous prime is 695445019. The next prime is 695445083. The reversal of 695445047 is 740544596.

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

It is a cyclic number.

It is not a de Polignac number, because 695445047 - 2¹⁶ = 695379511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 695444989 and 695445007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695445097) 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, 31611128 + ... + 31611149.

It is an arithmetic number, because the mean of its divisors is an integer number (189666834).

Almost surely, 2^695445047 is an apocalyptic number.

695445047 is a deficient number, since it is larger than the sum of its proper divisors (63222289).

695445047 is a wasteful number, since it uses less digits than its factorization.

695445047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63222288.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 695445047 is about 26371.2920995540. The cubic root of 695445047 is about 885.9739230911.

The spelling of 695445047 in words is "six hundred ninety-five million, four hundred forty-five thousand, forty-seven".