2064675557 has 4 divisors (see below), whose sum is σ = 2359629216. Its totient is φ = 1769721900.

The previous prime is 2064675553. The next prime is 2064675577. The reversal of 2064675557 is 7555764602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2064675557 - 2² = 2064675553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064675553) 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, 147476819 + ... + 147476832.

It is an arithmetic number, because the mean of its divisors is an integer number (589907304).

Almost surely, 2^2064675557 is an apocalyptic number.

It is an amenable number.

2064675557 is a deficient number, since it is larger than the sum of its proper divisors (294953659).

2064675557 is an equidigital number, since it uses as much as digits as its factorization.

2064675557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294953658.

The product of its (nonzero) digits is 1764000, while the sum is 47.

The square root of 2064675557 is about 45438.7010927909. The cubic root of 2064675557 is about 1273.3582471772.

The spelling of 2064675557 in words is "two billion, sixty-four million, six hundred seventy-five thousand, five hundred fifty-seven".