1064793021 has 8 divisors (see below), whose sum is σ = 1430562144. Its totient is φ = 704442960.

The previous prime is 1064792999. The next prime is 1064793031. The reversal of 1064793021 is 1203974601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1064793021 - 2⁶ = 1064792957 is a prime.

It is a super-2 number, since 2×1064793021² = 2267568355140612882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064793031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354306 + ... + 1355091.

It is an arithmetic number, because the mean of its divisors is an integer number (178820268).

Almost surely, 2^1064793021 is an apocalyptic number.

It is an amenable number.

1064793021 is a deficient number, since it is larger than the sum of its proper divisors (365769123).

1064793021 is a wasteful number, since it uses less digits than its factorization.

1064793021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709531.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1064793021 is about 32631.1664057539. The cubic root of 1064793021 is about 1021.1473124224.

The spelling of 1064793021 in words is "one billion, sixty-four million, seven hundred ninety-three thousand, twenty-one".