195356454955 has 4 divisors (see below), whose sum is σ = 234427745952. Its totient is φ = 156285163960.

The previous prime is 195356454947. The next prime is 195356454961. The reversal of 195356454955 is 559454653591.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 195356454955 - 2³ = 195356454947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195356454893 and 195356454902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19535645491 + ... + 19535645500.

It is an arithmetic number, because the mean of its divisors is an integer number (58606936488).

Almost surely, 2^195356454955 is an apocalyptic number.

195356454955 is a deficient number, since it is larger than the sum of its proper divisors (39071290997).

195356454955 is an equidigital number, since it uses as much as digits as its factorization.

195356454955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39071290996.

The product of its digits is 72900000, while the sum is 61.

The spelling of 195356454955 in words is "one hundred ninety-five billion, three hundred fifty-six million, four hundred fifty-four thousand, nine hundred fifty-five".