16485093709 has 8 divisors (see below), whose sum is σ = 19831691840. Its totient is φ = 13386391776.

The previous prime is 16485093697. The next prime is 16485093743. The reversal of 16485093709 is 90739058461.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16485093709 - 2⁹ = 16485093197 is a prime.

It is a super-2 number, since 2×16485093709² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16485093769) 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, 61973904 + ... + 61974169.

It is an arithmetic number, because the mean of its divisors is an integer number (2478961480).

Almost surely, 2^16485093709 is an apocalyptic number.

16485093709 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16485093709 is a deficient number, since it is larger than the sum of its proper divisors (3346598131).

16485093709 is a wasteful number, since it uses less digits than its factorization.

16485093709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123948099.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 16485093709 in words is "sixteen billion, four hundred eighty-five million, ninety-three thousand, seven hundred nine".