805497426135 has 64 divisors (see below), whose sum is σ = 1481582131200. Its totient is φ = 414726770304.

The previous prime is 805497426113. The next prime is 805497426143. The reversal of 805497426135 is 531624794508.

It is a happy number.

805497426135 is a `hidden beast` number, since 8 + 0 + 549 + 7 + 4 + 2 + 61 + 35 = 666.

It is not a de Polignac number, because 805497426135 - 2⁸ = 805497425879 is a prime.

It is a super-2 number, since 2×805497426135² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50898834 + ... + 50914656.

It is an arithmetic number, because the mean of its divisors is an integer number (23149720800).

It is a 1-persistent number, because it is pandigital, but 2⋅805497426135 = 1610994852270 is not.

Almost surely, 2^805497426135 is an apocalyptic number.

805497426135 is a deficient number, since it is larger than the sum of its proper divisors (676084705065).

805497426135 is a wasteful number, since it uses less digits than its factorization.

805497426135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28869 (or 28863 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 805497426135 in words is "eight hundred five billion, four hundred ninety-seven million, four hundred twenty-six thousand, one hundred thirty-five".