3507220509 has 8 divisors (see below), whose sum is σ = 5036008992. Its totient is φ = 2158289520.

The previous prime is 3507220489. The next prime is 3507220537. The reversal of 3507220509 is 9050227053.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3507220509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3507220509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3507220579) 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, 44964327 + ... + 44964404.

It is an arithmetic number, because the mean of its divisors is an integer number (629501124).

Almost surely, 2^3507220509 is an apocalyptic number.

3507220509 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3507220509 is a deficient number, since it is larger than the sum of its proper divisors (1528788483).

3507220509 is a wasteful number, since it uses less digits than its factorization.

3507220509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89928747.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 3507220509 is about 59221.7908290521. The cubic root of 3507220509 is about 1519.3378505880.

The spelling of 3507220509 in words is "three billion, five hundred seven million, two hundred twenty thousand, five hundred nine".