698357071872 has 240 divisors, whose sum is σ = 2125115581120. Its totient is φ = 226488877056.

The previous prime is 698357071871. The next prime is 698357071879. The reversal of 698357071872 is 278170753896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698357071871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16346283 + ... + 16388949.

Almost surely, 2^698357071872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698357071872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062557790560).

698357071872 is an abundant number, since it is smaller than the sum of its proper divisors (1426758509248).

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

698357071872 is an equidigital number, since it uses as much as digits as its factorization.

698357071872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42741 (or 42709 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 63.

The spelling of 698357071872 in words is "six hundred ninety-eight billion, three hundred fifty-seven million, seventy-one thousand, eight hundred seventy-two".