2045404550033 has 4 divisors (see below), whose sum is σ = 2202743361588. Its totient is φ = 1888065738480.

The previous prime is 2045404550029. The next prime is 2045404550081. The reversal of 2045404550033 is 3300554045402.

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 158251204864 + 1887153345169 = 397808^2 + 1373737^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045404550033 - 2² = 2045404550029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045404549975 and 2045404550002.

It is not an unprimeable number, because it can be changed into a prime (2045404550333) 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, 78669405758 + ... + 78669405783.

It is an arithmetic number, because the mean of its divisors is an integer number (550685840397).

Almost surely, 2^{2045404550033} is an apocalyptic number.

It is an amenable number.

2045404550033 is a deficient number, since it is larger than the sum of its proper divisors (157338811555).

2045404550033 is a wasteful number, since it uses less digits than its factorization.

2045404550033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157338811554.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 2045404550033 its reverse (3300554045402), we get a palindrome (5345958595435).

The spelling of 2045404550033 in words is "two trillion, forty-five billion, four hundred four million, five hundred fifty thousand, thirty-three".