6133561900749 has 20 divisors (see below), whose sum is σ = 9335358371196. Its totient is φ = 4011889542336.

The previous prime is 6133561900747. The next prime is 6133561900769. The reversal of 6133561900749 is 9470091653316.

6133561900749 is a `hidden beast` number, since 6 + 1 + 3 + 3 + 561 + 9 + 0 + 0 + 74 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3288031503849 + 2845530396900 = 1813293^2 + 1686870^2 .

It is not a de Polignac number, because 6133561900749 - 2¹ = 6133561900747 is a prime.

It is a super-2 number, since 2×6133561900749² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6133561900695 and 6133561900704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6133561900747) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 714363504 + ... + 714372089.

Almost surely, 2^{6133561900749} is an apocalyptic number.

It is an amenable number.

6133561900749 is a deficient number, since it is larger than the sum of its proper divisors (3201796470447).

6133561900749 is a wasteful number, since it uses less digits than its factorization.

6133561900749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428735658 (or 1428735649 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 6133561900749 in words is "six trillion, one hundred thirty-three billion, five hundred sixty-one million, nine hundred thousand, seven hundred forty-nine".