1064645383 has 16 divisors (see below), whose sum is σ = 1165237920. Its totient is φ = 968832000.

The previous prime is 1064645377. The next prime is 1064645479. The reversal of 1064645383 is 3835464601.

It is a cyclic number.

It is not a de Polignac number, because 1064645383 - 2⁹ = 1064644871 is a prime.

It is a super-2 number, since 2×1064645383² = 2266939583086433378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064645333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52483 + ... + 69883.

It is an arithmetic number, because the mean of its divisors is an integer number (72827370).

Almost surely, 2^1064645383 is an apocalyptic number.

1064645383 is a deficient number, since it is larger than the sum of its proper divisors (100592537).

1064645383 is a wasteful number, since it uses less digits than its factorization.

1064645383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17538.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 1064645383 is about 32628.9041035705. The cubic root of 1064645383 is about 1021.1001147942.

The spelling of 1064645383 in words is "one billion, sixty-four million, six hundred forty-five thousand, three hundred eighty-three".