1058638506642 has 48 divisors (see below), whose sum is σ = 2360739580992. Its totient is φ = 342716663520.

The previous prime is 1058638506613. The next prime is 1058638506643. The reversal of 1058638506642 is 2466058368501.

1058638506642 is a `hidden beast` number, since 1 + 0 + 586 + 3 + 8 + 50 + 6 + 6 + 4 + 2 = 666.

It is a super-2 number, since 2×1058638506642² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1058638506643) 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 23 ways as a sum of consecutive naturals, for example, 6096133 + ... + 6267384.

It is an arithmetic number, because the mean of its divisors is an integer number (49182074604).

Almost surely, 2^{1058638506642} is an apocalyptic number.

1058638506642 is an abundant number, since it is smaller than the sum of its proper divisors (1302101074350).

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

1058638506642 is a wasteful number, since it uses less digits than its factorization.

1058638506642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12363663 (or 12363660 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 1058638506642 in words is "one trillion, fifty-eight billion, six hundred thirty-eight million, five hundred six thousand, six hundred forty-two".