698132031408 has 400 divisors, whose sum is σ = 2330051581440. Its totient is φ = 197679025152.

The previous prime is 698132031307. The next prime is 698132031427. The reversal of 698132031408 is 804130231896.

698132031408 is a `hidden beast` number, since 6 + 9 + 8 + 1 + 320 + 314 + 0 + 8 = 666.

698132031408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 541606828 + ... + 541608116.

Almost surely, 2^698132031408 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 698132031408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165025790720).

698132031408 is an abundant number, since it is smaller than the sum of its proper divisors (1631919550032).

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

698132031408 is a wasteful number, since it uses less digits than its factorization.

698132031408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 698132031408 in words is "six hundred ninety-eight billion, one hundred thirty-two million, thirty-one thousand, four hundred eight".