690408708192 has 384 divisors, whose sum is σ = 2366267904000. Its totient is φ = 191708633088.

The previous prime is 690408708161. The next prime is 690408708221. The reversal of 690408708192 is 291807804096.

690408708192 is a `hidden beast` number, since 6 + 9 + 0 + 408 + 70 + 81 + 92 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 354236434 + ... + 354238382.

It is an arithmetic number, because the mean of its divisors is an integer number (6162156000).

Almost surely, 2^690408708192 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 690408708192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183133952000).

690408708192 is an abundant number, since it is smaller than the sum of its proper divisors (1675859195808).

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

690408708192 is a wasteful number, since it uses less digits than its factorization.

690408708192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595 (or 3581 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 690408708192 in words is "six hundred ninety billion, four hundred eight million, seven hundred eight thousand, one hundred ninety-two".