2645655473 has 8 divisors (see below), whose sum is σ = 2665094400. Its totient is φ = 2626239280.

The previous prime is 2645655469. The next prime is 2645655487. The reversal of 2645655473 is 3745565462.

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 2645655473 - 2² = 2645655469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2645655443) 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, 279488 + ... + 288798.

It is an arithmetic number, because the mean of its divisors is an integer number (333136800).

Almost surely, 2^2645655473 is an apocalyptic number.

It is an amenable number.

2645655473 is a deficient number, since it is larger than the sum of its proper divisors (19438927).

2645655473 is a wasteful number, since it uses less digits than its factorization.

2645655473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11367.

The product of its digits is 3024000, while the sum is 47.

The square root of 2645655473 is about 51435.9356189814. The cubic root of 2645655473 is about 1383.0708540298.

The spelling of 2645655473 in words is "two billion, six hundred forty-five million, six hundred fifty-five thousand, four hundred seventy-three".