1049313040821 has 12 divisors (see below), whose sum is σ = 1525328371372. Its totient is φ = 695086344576.

The previous prime is 1049313040801. The next prime is 1049313040847. The reversal of 1049313040821 is 1280403139401.

1049313040821 is a `hidden beast` number, since 10 + 4 + 93 + 130 + 408 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 603556518321 + 445756522500 = 776889^2 + 667650^2 .

It is not a de Polignac number, because 1049313040821 - 2⁶ = 1049313040757 is a prime.

It is a super-2 number, since 2×1049313040821² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049313040801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371305396 + ... + 371308221.

Almost surely, 2^{1049313040821} is an apocalyptic number.

It is an amenable number.

1049313040821 is a deficient number, since it is larger than the sum of its proper divisors (476015330551).

1049313040821 is a wasteful number, since it uses less digits than its factorization.

1049313040821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742613780 (or 742613777 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 1049313040821 in words is "one trillion, forty-nine billion, three hundred thirteen million, forty thousand, eight hundred twenty-one".