84049506369 has 24 divisors (see below), whose sum is σ = 128235590912. Its totient is φ = 52964422560.

The previous prime is 84049506361. The next prime is 84049506377. The reversal of 84049506369 is 96360594048.

It is an interprime number because it is at equal distance from previous prime (84049506361) and next prime (84049506377).

It is not a de Polignac number, because 84049506369 - 2³ = 84049506361 is a prime.

It is a super-2 number, since 2×84049506369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84049506361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3490942 + ... + 3514935.

Almost surely, 2^84049506369 is an apocalyptic number.

It is an amenable number.

84049506369 is a deficient number, since it is larger than the sum of its proper divisors (44186084543).

84049506369 is a wasteful number, since it uses less digits than its factorization.

84049506369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005957 (or 7005954 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 84049506369 in words is "eighty-four billion, forty-nine million, five hundred six thousand, three hundred sixty-nine".