810054542407 has 16 divisors (see below), whose sum is σ = 908410391712. Its totient is φ = 715854222720.

The previous prime is 810054542389. The next prime is 810054542447. The reversal of 810054542407 is 704245450018.

It is a cyclic number.

It is not a de Polignac number, because 810054542407 - 2²³ = 810046153799 is a prime.

It is a super-2 number, since 2×810054542407² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 810054542407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810054542447) 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 15 ways as a sum of consecutive naturals, for example, 465628 + ... + 1355329.

It is an arithmetic number, because the mean of its divisors is an integer number (56775649482).

Almost surely, 2^810054542407 is an apocalyptic number.

810054542407 is a deficient number, since it is larger than the sum of its proper divisors (98355849305).

810054542407 is a wasteful number, since it uses less digits than its factorization.

810054542407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822098.

The product of its (nonzero) digits is 179200, while the sum is 40.

The spelling of 810054542407 in words is "eight hundred ten billion, fifty-four million, five hundred forty-two thousand, four hundred seven".