1008563552769 has 16 divisors (see below), whose sum is σ = 1415549318400. Its totient is φ = 636977820816.

The previous prime is 1008563552729. The next prime is 1008563552797. The reversal of 1008563552769 is 9672553658001.

It is not a de Polignac number, because 1008563552769 - 2⁷ = 1008563552641 is a prime.

It is a super-2 number, since 2×1008563552769² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (1008563552729) 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, 6444562 + ... + 6599204.

It is an arithmetic number, because the mean of its divisors is an integer number (88471832400).

Almost surely, 2^{1008563552769} is an apocalyptic number.

1008563552769 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1008563552769 is a deficient number, since it is larger than the sum of its proper divisors (406985765631).

1008563552769 is a wasteful number, since it uses less digits than its factorization.

1008563552769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269084.

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 1008563552769 in words is "one trillion, eight billion, five hundred sixty-three million, five hundred fifty-two thousand, seven hundred sixty-nine".