6609408320019 has 64 divisors (see below), whose sum is σ = 9627831189504. Its totient is φ = 4016769232896.

The previous prime is 6609408319999. The next prime is 6609408320107. The reversal of 6609408320019 is 9100238049066.

It is not a de Polignac number, because 6609408320019 - 2²⁸ = 6609139884563 is a prime.

It is a super-2 number, since 2×6609408320019² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6609408320019.

It is not an unprimeable number, because it can be changed into a prime (6609408320719) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 733314957 + ... + 733323969.

It is an arithmetic number, because the mean of its divisors is an integer number (150434862336).

Almost surely, 2^{6609408320019} is an apocalyptic number.

6609408320019 is a deficient number, since it is larger than the sum of its proper divisors (3018422869485).

6609408320019 is a wasteful number, since it uses less digits than its factorization.

6609408320019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 6609408320019 in words is "six trillion, six hundred nine billion, four hundred eight million, three hundred twenty thousand, nineteen".