813546955 has 16 divisors (see below), whose sum is σ = 1052007264. Its totient is φ = 600399360.

The previous prime is 813546941. The next prime is 813546983. The reversal of 813546955 is 559645318.

It is not a de Polignac number, because 813546955 - 2¹⁹ = 813022667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 144595 + ... + 150115.

It is an arithmetic number, because the mean of its divisors is an integer number (65750454).

Almost surely, 2^813546955 is an apocalyptic number.

813546955 is a deficient number, since it is larger than the sum of its proper divisors (238460309).

813546955 is a wasteful number, since it uses less digits than its factorization.

813546955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806.

The product of its digits is 648000, while the sum is 46.

The square root of 813546955 is about 28522.7445208206. The cubic root of 813546955 is about 933.5284142251.

The spelling of 813546955 in words is "eight hundred thirteen million, five hundred forty-six thousand, nine hundred fifty-five".