1049491655808 has 64 divisors (see below), whose sum is σ = 2787902694720. Its totient is φ = 349806648320.

The previous prime is 1049491655791. The next prime is 1049491655837. The reversal of 1049491655808 is 8085561949401.

It is a Cunningham number, because it is equal to 1024447²-1.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×1049491655808³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6061318 + ... + 6232058.

It is an arithmetic number, because the mean of its divisors is an integer number (43560979605).

Almost surely, 2^{1049491655808} is an apocalyptic number.

It is an amenable number.

1049491655808 is an abundant number, since it is smaller than the sum of its proper divisors (1738411038912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1049491655808 is a wasteful number, since it uses less digits than its factorization.

1049491655808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186765 (or 186753 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 60.

The spelling of 1049491655808 in words is "one trillion, forty-nine billion, four hundred ninety-one million, six hundred fifty-five thousand, eight hundred eight".