2045425421405 has 8 divisors (see below), whose sum is σ = 2472426641592. Its totient is φ = 1624396246528.

The previous prime is 2045425421401. The next prime is 2045425421483. The reversal of 2045425421405 is 5041245245402.

It can be written as a sum of positive squares in 4 ways, for example, as 212036304676 + 1833389116729 = 460474^2 + 1354027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2045425421405 - 2² = 2045425421401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045425421401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493010572 + ... + 1493011941.

It is an arithmetic number, because the mean of its divisors is an integer number (309053330199).

Almost surely, 2^{2045425421405} is an apocalyptic number.

It is an amenable number.

2045425421405 is a deficient number, since it is larger than the sum of its proper divisors (427001220187).

2045425421405 is a wasteful number, since it uses less digits than its factorization.

2045425421405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986022655.

The product of its (nonzero) digits is 256000, while the sum is 38.

The spelling of 2045425421405 in words is "two trillion, forty-five billion, four hundred twenty-five million, four hundred twenty-one thousand, four hundred five".