695916516901 has 4 divisors (see below), whose sum is σ = 695922599052. Its totient is φ = 695910434752.

The previous prime is 695916516871. The next prime is 695916516929. The reversal of 695916516901 is 109615619596.

It is a happy number.

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 152451202500 + 543465314401 = 390450^2 + 737201^2 .

It is a cyclic number.

It is not a de Polignac number, because 695916516901 - 2¹⁹ = 695915992613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695916526901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2866090 + ... + 3099403.

It is an arithmetic number, because the mean of its divisors is an integer number (173980649763).

Almost surely, 2^695916516901 is an apocalyptic number.

It is an amenable number.

695916516901 is a deficient number, since it is larger than the sum of its proper divisors (6082151).

695916516901 is a wasteful number, since it uses less digits than its factorization.

695916516901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082150.

The product of its (nonzero) digits is 3936600, while the sum is 58.

The spelling of 695916516901 in words is "six hundred ninety-five billion, nine hundred sixteen million, five hundred sixteen thousand, nine hundred one".