1634474336243 has 8 divisors (see below), whose sum is σ = 1906092520800. Its totient is φ = 1400978002200.

The previous prime is 1634474336227. The next prime is 1634474336263. The reversal of 1634474336243 is 3426334744361.

It is a happy number.

It is not a de Polignac number, because 1634474336243 - 2⁴ = 1634474336227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1634474336191 and 1634474336200.

It is not an unprimeable number, because it can be changed into a prime (1634474336263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382615308 + ... + 2382615993.

It is an arithmetic number, because the mean of its divisors is an integer number (238261565100).

Almost surely, 2^{1634474336243} is an apocalyptic number.

1634474336243 is a deficient number, since it is larger than the sum of its proper divisors (271618184557).

1634474336243 is an frugal number, since it uses more digits than its factorization.

1634474336243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765231322 (or 4765231308 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 50.

The spelling of 1634474336243 in words is "one trillion, six hundred thirty-four billion, four hundred seventy-four million, three hundred thirty-six thousand, two hundred forty-three".