2606389045 has 8 divisors (see below), whose sum is σ = 3368256696. Its totient is φ = 1924718016.

The previous prime is 2606389033. The next prime is 2606389063. The reversal of 2606389045 is 5409836062.

It can be written as a sum of positive squares in 4 ways, for example, as 80120401 + 2526268644 = 8951^2 + 50262^2 .

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

It is not a de Polignac number, because 2606389045 - 2⁵ = 2606389013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2606388992 and 2606389010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20049082 + ... + 20049211.

It is an arithmetic number, because the mean of its divisors is an integer number (421032087).

Almost surely, 2^2606389045 is an apocalyptic number.

It is an amenable number.

2606389045 is a deficient number, since it is larger than the sum of its proper divisors (761867651).

2606389045 is a wasteful number, since it uses less digits than its factorization.

2606389045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40098311.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 2606389045 is about 51052.8064360815. The cubic root of 2606389045 is about 1376.1942761129.

The spelling of 2606389045 in words is "two billion, six hundred six million, three hundred eighty-nine thousand, forty-five".