2064655545 has 32 divisors (see below), whose sum is σ = 3383119872. Its totient is φ = 1074807552.

The previous prime is 2064655531. The next prime is 2064655547. The reversal of 2064655545 is 5455564602.

It is a happy number.

It is not a de Polignac number, because 2064655545 - 2⁴ = 2064655529 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2064655497 and 2064655506.

It is not an unprimeable number, because it can be changed into a prime (2064655547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150024 + ... + 163206.

It is an arithmetic number, because the mean of its divisors is an integer number (105722496).

Almost surely, 2^2064655545 is an apocalyptic number.

It is an amenable number.

2064655545 is a deficient number, since it is larger than the sum of its proper divisors (1318464327).

2064655545 is a wasteful number, since it uses less digits than its factorization.

2064655545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13441.

The product of its (nonzero) digits is 720000, while the sum is 42.

The square root of 2064655545 is about 45438.4808834979. The cubic root of 2064655545 is about 1273.3541331285.

The spelling of 2064655545 in words is "two billion, sixty-four million, six hundred fifty-five thousand, five hundred forty-five".