696417958081 has 16 divisors (see below), whose sum is σ = 715704986304. Its totient is φ = 677275026624.

The previous prime is 696417958031. The next prime is 696417958099. The reversal of 696417958081 is 180859714696.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696417958081 is a prime.

It is a super-2 number, since 2×696417958081² (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 (696417958031) 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 15 ways as a sum of consecutive naturals, for example, 16976511 + ... + 17017483.

It is an arithmetic number, because the mean of its divisors is an integer number (44731561644).

Almost surely, 2^696417958081 is an apocalyptic number.

It is an amenable number.

696417958081 is a deficient number, since it is larger than the sum of its proper divisors (19287028223).

696417958081 is a wasteful number, since it uses less digits than its factorization.

696417958081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42720.

The product of its (nonzero) digits is 26127360, while the sum is 64.

The spelling of 696417958081 in words is "six hundred ninety-six billion, four hundred seventeen million, nine hundred fifty-eight thousand, eighty-one".