36856455473 has 4 divisors (see below), whose sum is σ = 36870749040. Its totient is φ = 36842161908.

The previous prime is 36856455439. The next prime is 36856455491. The reversal of 36856455473 is 37455465863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37455465863 = 6337 ⋅5910599.

It is a cyclic number.

It is not a de Polignac number, because 36856455473 - 2¹⁶ = 36856389937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36856455373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7142915 + ... + 7148072.

It is an arithmetic number, because the mean of its divisors is an integer number (9217687260).

Almost surely, 2^36856455473 is an apocalyptic number.

It is an amenable number.

36856455473 is a deficient number, since it is larger than the sum of its proper divisors (14293567).

36856455473 is a wasteful number, since it uses less digits than its factorization.

36856455473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14293566.

The product of its digits is 36288000, while the sum is 56.

The spelling of 36856455473 in words is "thirty-six billion, eight hundred fifty-six million, four hundred fifty-five thousand, four hundred seventy-three".