690929481294 has 48 divisors (see below), whose sum is σ = 1621708342800. Its totient is φ = 212593674384.

The previous prime is 690929481293. The next prime is 690929481301. The reversal of 690929481294 is 492184929096.

690929481294 is a `hidden beast` number, since 69 + 0 + 9 + 2 + 9 + 481 + 2 + 94 = 666.

It is a super-3 number, since 3×690929481294³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690929481293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8696224 + ... + 8775315.

It is an arithmetic number, because the mean of its divisors is an integer number (33785590475).

Almost surely, 2^690929481294 is an apocalyptic number.

690929481294 is an abundant number, since it is smaller than the sum of its proper divisors (930778861506).

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

690929481294 is a wasteful number, since it uses less digits than its factorization.

690929481294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17471586 (or 17471557 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 690929481294 in words is "six hundred ninety billion, nine hundred twenty-nine million, four hundred eighty-one thousand, two hundred ninety-four".