1064564645 has 16 divisors (see below), whose sum is σ = 1322959872. Its totient is φ = 821508480.

The previous prime is 1064564609. The next prime is 1064564653. The reversal of 1064564645 is 5464654601.

It is not a de Polignac number, because 1064564645 - 2⁶ = 1064564581 is a prime.

It is a super-2 number, since 2×1064564645² = 2266595766767952050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37544 + ... + 59486.

It is an arithmetic number, because the mean of its divisors is an integer number (82684992).

Almost surely, 2^1064564645 is an apocalyptic number.

It is an amenable number.

1064564645 is a deficient number, since it is larger than the sum of its proper divisors (258395227).

1064564645 is a wasteful number, since it uses less digits than its factorization.

1064564645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22292.

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 1064564645 is about 32627.6668641814. Note that the first 3 decimals coincide. The cubic root of 1064564645 is about 1021.0743022353.

The spelling of 1064564645 in words is "one billion, sixty-four million, five hundred sixty-four thousand, six hundred forty-five".