690558485536 has 48 divisors (see below), whose sum is σ = 1366445203200. Its totient is φ = 343529227008.

The previous prime is 690558485521. The next prime is 690558485537. The reversal of 690558485536 is 635584855096.

It is not an unprimeable number, because it can be changed into a prime (690558485537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4932145 + ... + 5070223.

It is an arithmetic number, because the mean of its divisors is an integer number (28467608400).

Almost surely, 2^690558485536 is an apocalyptic number.

It is an amenable number.

690558485536 is a deficient number, since it is larger than the sum of its proper divisors (675886717664).

690558485536 is a wasteful number, since it uses less digits than its factorization.

690558485536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138881 (or 138873 counting only the distinct ones).

The product of its (nonzero) digits is 155520000, while the sum is 64.

The spelling of 690558485536 in words is "six hundred ninety billion, five hundred fifty-eight million, four hundred eighty-five thousand, five hundred thirty-six".