6121149284943 has 96 divisors (see below), whose sum is σ = 11333011802112. Its totient is φ = 3091057804800.

The previous prime is 6121149284927. The next prime is 6121149284947. The reversal of 6121149284943 is 3494829411216.

6121149284943 is a `hidden beast` number, since 6 + 1 + 2 + 1 + 149 + 2 + 8 + 494 + 3 = 666.

It is not a de Polignac number, because 6121149284943 - 2⁴ = 6121149284927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6121149284943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121149284947) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7481530 + ... + 8259272.

It is an arithmetic number, because the mean of its divisors is an integer number (118052206272).

Almost surely, 2^{6121149284943} is an apocalyptic number.

6121149284943 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6121149284943 is a deficient number, since it is larger than the sum of its proper divisors (5211862517169).

6121149284943 is a wasteful number, since it uses less digits than its factorization.

6121149284943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778085 (or 778082 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 6121149284943 in words is "six trillion, one hundred twenty-one billion, one hundred forty-nine million, two hundred eighty-four thousand, nine hundred forty-three".