1058646409987 has 16 divisors (see below), whose sum is σ = 1078578396000. Its totient is φ = 1038904162560.

The previous prime is 1058646409981. The next prime is 1058646409999. The reversal of 1058646409987 is 7899046468501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1058646409987 - 2³⁵ = 1024286671619 is a prime.

It is a super-2 number, since 2×1058646409987² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1058646409981) 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, 17089033 + ... + 17150869.

It is an arithmetic number, because the mean of its divisors is an integer number (67411149750).

Almost surely, 2^{1058646409987} is an apocalyptic number.

1058646409987 is a deficient number, since it is larger than the sum of its proper divisors (19931986013).

1058646409987 is a wasteful number, since it uses less digits than its factorization.

1058646409987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63366.

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 1058646409987 in words is "one trillion, fifty-eight billion, six hundred forty-six million, four hundred nine thousand, nine hundred eighty-seven".