3501664650 has 72 divisors (see below), whose sum is σ = 10263075264. Its totient is φ = 848887200.

The previous prime is 3501664633. The next prime is 3501664667. The reversal of 3501664650 is 564661053.

3501664650 is a `hidden beast` number, since 3 + 5 + 0 + 1 + 6 + 646 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3501664633) and next prime (3501664667).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 348754 + ... + 358653.

It is an arithmetic number, because the mean of its divisors is an integer number (142542712).

Almost surely, 2^3501664650 is an apocalyptic number.

3501664650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3501664650 is an abundant number, since it is smaller than the sum of its proper divisors (6761410614).

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

3501664650 is a wasteful number, since it uses less digits than its factorization.

3501664650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707436 (or 707428 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 3501664650 is about 59174.8650188575. The cubic root of 3501664650 is about 1518.5351553024.

The spelling of 3501664650 in words is "three billion, five hundred one million, six hundred sixty-four thousand, six hundred fifty".