1063991046949 has 8 divisors (see below), whose sum is σ = 1073622706560. Its totient is φ = 1054363173696.

The previous prime is 1063991046883. The next prime is 1063991046961. The reversal of 1063991046949 is 9496401993601.

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-1063991046949 is a prime.

It is a super-2 number, since 2×1063991046949² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063991046449) 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, 380509 + ... + 1507570.

It is an arithmetic number, because the mean of its divisors is an integer number (134202838320).

Almost surely, 2^{1063991046949} is an apocalyptic number.

It is an amenable number.

1063991046949 is a deficient number, since it is larger than the sum of its proper divisors (9631659611).

1063991046949 is a wasteful number, since it uses less digits than its factorization.

1063991046949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893179.

The product of its (nonzero) digits is 11337408, while the sum is 61.

The spelling of 1063991046949 in words is "one trillion, sixty-three billion, nine hundred ninety-one million, forty-six thousand, nine hundred forty-nine".