697228651085 has 16 divisors (see below), whose sum is σ = 841194417600. Its totient is φ = 554774443776.

The previous prime is 697228651073. The next prime is 697228651151. The reversal of 697228651085 is 580156822796.

It is a cyclic number.

It is not a de Polignac number, because 697228651085 - 2⁴ = 697228651069 is a prime.

It is a super-2 number, since 2×697228651085² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 840806 + ... + 1449624.

It is an arithmetic number, because the mean of its divisors is an integer number (52574651100).

Almost surely, 2^697228651085 is an apocalyptic number.

It is an amenable number.

697228651085 is a deficient number, since it is larger than the sum of its proper divisors (143965766515).

697228651085 is a wasteful number, since it uses less digits than its factorization.

697228651085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610060.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 697228651085 in words is "six hundred ninety-seven billion, two hundred twenty-eight million, six hundred fifty-one thousand, eighty-five".