1063949501859 has 16 divisors (see below), whose sum is σ = 1446547444992. Its totient is φ = 695347503968.

The previous prime is 1063949501843. The next prime is 1063949501861. The reversal of 1063949501859 is 9581059493601.

It is a cyclic number.

It is not a de Polignac number, because 1063949501859 - 2⁴ = 1063949501843 is a prime.

It is a super-2 number, since 2×1063949501859² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1063949501869) 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, 2541237 + ... + 2930150.

It is an arithmetic number, because the mean of its divisors is an integer number (90409215312).

Almost surely, 2^{1063949501859} is an apocalyptic number.

1063949501859 is a deficient number, since it is larger than the sum of its proper divisors (382597943133).

1063949501859 is a wasteful number, since it uses less digits than its factorization.

1063949501859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472666.

The product of its (nonzero) digits is 10497600, while the sum is 60.

The spelling of 1063949501859 in words is "one trillion, sixty-three billion, nine hundred forty-nine million, five hundred one thousand, eight hundred fifty-nine".