698023173722112 has 3120 divisors, whose sum is σ = 2718567362427840. Its totient is φ = 176835992223744.

The previous prime is 698023173722099. The next prime is 698023173722177. The reversal of 698023173722112 is 211227371320896.

698023173722112 is a `hidden beast` number, since 6 + 9 + 8 + 0 + 231 + 7 + 372 + 21 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1612062756648 + ... + 1612062757080.

Almost surely, 2^{698023173722112} 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 698023173722112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359283681213920).

698023173722112 is an abundant number, since it is smaller than the sum of its proper divisors (2020544188705728).

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

698023173722112 is a wasteful number, since it uses less digits than its factorization.

698023173722112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 698023173722112 in words is "six hundred ninety-eight trillion, twenty-three billion, one hundred seventy-three million, seven hundred twenty-two thousand, one hundred twelve".