695947478081 has 8 divisors (see below), whose sum is σ = 706929667584. Its totient is φ = 685004441760.

The previous prime is 695947478077. The next prime is 695947478101. The reversal of 695947478081 is 180874749596.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 695947478081 - 2² = 695947478077 is a prime.

It is a super-2 number, since 2×695947478081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (695947478011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9752465 + ... + 9823566.

It is an arithmetic number, because the mean of its divisors is an integer number (88366208448).

Almost surely, 2^695947478081 is an apocalyptic number.

It is an amenable number.

695947478081 is a deficient number, since it is larger than the sum of its proper divisors (10982189503).

695947478081 is a wasteful number, since it uses less digits than its factorization.

695947478081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19576591.

The product of its (nonzero) digits is 121927680, while the sum is 68.

The spelling of 695947478081 in words is "six hundred ninety-five billion, nine hundred forty-seven million, four hundred seventy-eight thousand, eighty-one".