1008811269949 has 24 divisors (see below), whose sum is σ = 1227302349120. Its totient is φ = 825232472064.

The previous prime is 1008811269937. The next prime is 1008811269967. The reversal of 1008811269949 is 9499621188001.

It is not a de Polignac number, because 1008811269949 - 2¹⁷ = 1008811138877 is a prime.

It is a super-2 number, since 2×1008811269949² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1008811269893 and 1008811269902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008811269929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 511044 + ... + 1509565.

It is an arithmetic number, because the mean of its divisors is an integer number (51137597880).

Almost surely, 2^{1008811269949} is an apocalyptic number.

It is an amenable number.

1008811269949 is a deficient number, since it is larger than the sum of its proper divisors (218491079171).

1008811269949 is a wasteful number, since it uses less digits than its factorization.

1008811269949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021089 (or 2021082 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 58.

The spelling of 1008811269949 in words is "one trillion, eight billion, eight hundred eleven million, two hundred sixty-nine thousand, nine hundred forty-nine".