698018738976 has 480 divisors, whose sum is σ = 2240588262528. Its totient is φ = 211900354560.

The previous prime is 698018738941. The next prime is 698018738993. The reversal of 698018738976 is 679837810896.

698018738976 is a `hidden beast` number, since 69 + 8 + 0 + 187 + 389 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 917238436 + ... + 917239196.

Almost surely, 2^698018738976 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 698018738976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120294131264).

698018738976 is an abundant number, since it is smaller than the sum of its proper divisors (1542569523552).

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

698018738976 is a wasteful number, since it uses less digits than its factorization.

698018738976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 72.

The spelling of 698018738976 in words is "six hundred ninety-eight billion, eighteen million, seven hundred thirty-eight thousand, nine hundred seventy-six".