1064443494 has 16 divisors (see below), whose sum is σ = 2132520768. Its totient is φ = 354208872.

The previous prime is 1064443493. The next prime is 1064443507. The reversal of 1064443494 is 4943444601.

It is a super-2 number, since 2×1064443494² = 2266079903837856072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064443493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147592 + ... + 154635.

It is an arithmetic number, because the mean of its divisors is an integer number (133282548).

Almost surely, 2^1064443494 is an apocalyptic number.

1064443494 is an abundant number, since it is smaller than the sum of its proper divisors (1068077274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1064443494 is a wasteful number, since it uses less digits than its factorization.

1064443494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302819.

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 1064443494 is about 32625.8102428124. The cubic root of 1064443494 is about 1021.0355668811.

The spelling of 1064443494 in words is "one billion, sixty-four million, four hundred forty-three thousand, four hundred ninety-four".