1064894787342 has 48 divisors (see below), whose sum is σ = 2324238462000. Its totient is φ = 352355519232.

The previous prime is 1064894787337. The next prime is 1064894787367. The reversal of 1064894787342 is 2437874984601.

1064894787342 is a `hidden beast` number, since 1 + 0 + 6 + 489 + 47 + 8 + 73 + 42 = 666.

It is a super-2 number, since 2×1064894787342² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1064894787342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17656534 + ... + 17716742.

It is an arithmetic number, because the mean of its divisors is an integer number (48421634625).

Almost surely, 2^{1064894787342} is an apocalyptic number.

1064894787342 is an abundant number, since it is smaller than the sum of its proper divisors (1259343674658).

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

1064894787342 is a wasteful number, since it uses less digits than its factorization.

1064894787342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67425 (or 67422 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 1064894787342 in words is "one trillion, sixty-four billion, eight hundred ninety-four million, seven hundred eighty-seven thousand, three hundred forty-two".