61840873502469 has 12 divisors (see below), whose sum is σ = 89416576687776. Its totient is φ = 41185308762792.

The previous prime is 61840873502449. The next prime is 61840873502479. The reversal of 61840873502469 is 96420537804816.

61840873502469 is a `hidden beast` number, since 6 + 1 + 8 + 4 + 0 + 87 + 3 + 502 + 46 + 9 = 666.

61840873502469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61840873502469 - 2¹⁷ = 61840873371397 is a prime.

It is a super-2 number, since 2×61840873502469² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61840873502449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3495010567 + ... + 3495028260.

It is an arithmetic number, because the mean of its divisors is an integer number (7451381390648).

It is a 1-persistent number, because it is pandigital, but 2⋅61840873502469 = 123681747004938 is not.

Almost surely, 2^{61840873502469} is an apocalyptic number.

It is an amenable number.

61840873502469 is a deficient number, since it is larger than the sum of its proper divisors (27575703185307).

61840873502469 is a wasteful number, since it uses less digits than its factorization.

61840873502469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990039816 (or 6990039813 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 61840873502469 in words is "sixty-one trillion, eight hundred forty billion, eight hundred seventy-three million, five hundred two thousand, four hundred sixty-nine".