2045121351433 has 4 divisors (see below), whose sum is σ = 2045189486340. Its totient is φ = 2045053216528.

The previous prime is 2045121351401. The next prime is 2045121351457. The reversal of 2045121351433 is 3341531215402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1040732546569 + 1004388804864 = 1020163^2 + 1002192^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045121351433 - 2⁵ = 2045121351401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045151351433) 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, 34022410 + ... + 34082467.

It is an arithmetic number, because the mean of its divisors is an integer number (511297371585).

Almost surely, 2^{2045121351433} is an apocalyptic number.

It is an amenable number.

2045121351433 is a deficient number, since it is larger than the sum of its proper divisors (68134907).

2045121351433 is an equidigital number, since it uses as much as digits as its factorization.

2045121351433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68134906.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 2045121351433 its reverse (3341531215402), we get a palindrome (5386652566835).

The spelling of 2045121351433 in words is "two trillion, forty-five billion, one hundred twenty-one million, three hundred fifty-one thousand, four hundred thirty-three".