698695064772 has 48 divisors (see below), whose sum is σ = 1688092775040. Its totient is φ = 224655717888.

The previous prime is 698695064731. The next prime is 698695064777. The reversal of 698695064772 is 277460596896.

It is a junction number, because it is equal to n+sod(n) for n = 698695064697 and 698695064706.

It is not an unprimeable number, because it can be changed into a prime (698695064777) 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, 574453 + ... + 1314300.

It is an arithmetic number, because the mean of its divisors is an integer number (35168599480).

Almost surely, 2^698695064772 is an apocalyptic number.

It is an amenable number.

698695064772 is an abundant number, since it is smaller than the sum of its proper divisors (989397710268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

698695064772 is a wasteful number, since it uses less digits than its factorization.

698695064772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889852 (or 1889850 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 69.

The spelling of 698695064772 in words is "six hundred ninety-eight billion, six hundred ninety-five million, sixty-four thousand, seven hundred seventy-two".