690520503330 has 192 divisors, whose sum is σ = 2094689376000. Its totient is φ = 157759176960.

The previous prime is 690520503289. The next prime is 690520503347. The reversal of 690520503330 is 33305025096.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 91711006 + ... + 91718534.

It is an arithmetic number, because the mean of its divisors is an integer number (10909840500).

Almost surely, 2^690520503330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690520503330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047344688000).

690520503330 is an abundant number, since it is smaller than the sum of its proper divisors (1404168872670).

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

690520503330 is a wasteful number, since it uses less digits than its factorization.

690520503330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10534 (or 10517 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 36.

The spelling of 690520503330 in words is "six hundred ninety billion, five hundred twenty million, five hundred three thousand, three hundred thirty".