1068187597649 has 8 divisors (see below), whose sum is σ = 1070798881152. Its totient is φ = 1065576980160.

The previous prime is 1068187597637. The next prime is 1068187597651. The reversal of 1068187597649 is 9467957818601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1068187597649 is a prime.

It is a super-2 number, since 2×1068187597649² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1068187597049) 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, 3124412 + ... + 3449394.

It is an arithmetic number, because the mean of its divisors is an integer number (133849860144).

Almost surely, 2^{1068187597649} is an apocalyptic number.

It is an amenable number.

1068187597649 is a deficient number, since it is larger than the sum of its proper divisors (2611283503).

1068187597649 is an equidigital number, since it uses as much as digits as its factorization.

1068187597649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333007.

The product of its (nonzero) digits is 182891520, while the sum is 71.

The spelling of 1068187597649 in words is "one trillion, sixty-eight billion, one hundred eighty-seven million, five hundred ninety-seven thousand, six hundred forty-nine".