16409097419 has 18 divisors (see below), whose sum is σ = 19390269348. Its totient is φ = 13765237200.

The previous prime is 16409097407. The next prime is 16409097421. The reversal of 16409097419 is 91479090461.

It is a happy number.

It is not a de Polignac number, because 16409097419 - 2²⁰ = 16408048843 is a prime.

It is a super-2 number, since 2×16409097419² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16409097499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5521604 + ... + 5524574.

It is an arithmetic number, because the mean of its divisors is an integer number (1077237186).

Almost surely, 2^16409097419 is an apocalyptic number.

16409097419 is a deficient number, since it is larger than the sum of its proper divisors (2981171929).

16409097419 is an frugal number, since it uses more digits than its factorization.

16409097419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5979 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 16409097419 in words is "sixteen billion, four hundred nine million, ninety-seven thousand, four hundred nineteen".