1064987613 has 12 divisors (see below), whose sum is σ = 1579892028. Its totient is φ = 690802560.

The previous prime is 1064987603. The next prime is 1064987621. The reversal of 1064987613 is 3167894601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 521071929 + 543915684 = 22827^2 + 23322^2 .

It is not a de Polignac number, because 1064987613 - 2⁶ = 1064987549 is a prime.

It is a super-2 number, since 2×1064987613² = 2268397231686875538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064987603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1598748 + ... + 1599413.

It is an arithmetic number, because the mean of its divisors is an integer number (131657669).

Almost surely, 2^1064987613 is an apocalyptic number.

It is an amenable number.

1064987613 is a deficient number, since it is larger than the sum of its proper divisors (514904415).

1064987613 is a wasteful number, since it uses less digits than its factorization.

1064987613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198204 (or 3198201 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1064987613 is about 32634.1479588483. The cubic root of 1064987613 is about 1021.2095138677.

The spelling of 1064987613 in words is "one billion, sixty-four million, nine hundred eighty-seven thousand, six hundred thirteen".