16545602419 has 2 divisors, whose sum is σ = 16545602420. Its totient is φ = 16545602418.

The previous prime is 16545602413. The next prime is 16545602467. The reversal of 16545602419 is 91420654561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16545602419 - 2¹¹ = 16545600371 is a prime.

It is a super-2 number, since 2×16545602419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16545602413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272801209 + 8272801210.

It is an arithmetic number, because the mean of its divisors is an integer number (8272801210).

Almost surely, 2^16545602419 is an apocalyptic number.

16545602419 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545602419 is an equidigital number, since it uses as much as digits as its factorization.

16545602419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 16545602419 in words is "sixteen billion, five hundred forty-five million, six hundred two thousand, four hundred nineteen".