1049981398596 has 405 divisors, whose sum is σ = 3098789757063. Its totient is φ = 309865046400.

The previous prime is 1049981398591. The next prime is 1049981398633. The reversal of 1049981398596 is 6958931899401.

The square root of 1049981398596 is 1024686.

It is a perfect power (a square), and thus also a powerful number.

1049981398596 is a `hidden beast` number, since 1 + 0 + 499 + 81 + 3 + 9 + 8 + 59 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 134637624900 + 915343773696 = 366930^2 + 956736^2 .

It is a super-2 number, since 2×1049981398596² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1049981398591) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 6953519121 + ... + 6953519271.

Almost surely, 2^{1049981398596} is an apocalyptic number.

1049981398596 is the 1024686-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049981398596

1049981398596 is an abundant number, since it is smaller than the sum of its proper divisors (2048808358467).

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

1049981398596 is a wasteful number, since it uses less digits than its factorization.

1049981398596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 72.

The spelling of 1049981398596 in words is "one trillion, forty-nine billion, nine hundred eighty-one million, three hundred ninety-eight thousand, five hundred ninety-six".