6737549121 has 6 divisors (see below), whose sum is σ = 9732015410. Its totient is φ = 4491699408.

The previous prime is 6737549101. The next prime is 6737549141. The reversal of 6737549121 is 1219457376.

6737549121 is a `hidden beast` number, since 6 + 73 + 75 + 491 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (6737549101) and next prime (6737549141).

It can be written as a sum of positive squares in only one way, i.e., 4601722896 + 2135826225 = 67836^2 + 46215^2 .

It is not a de Polignac number, because 6737549121 - 2⁶ = 6737549057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6737549101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374308276 + ... + 374308293.

Almost surely, 2^6737549121 is an apocalyptic number.

It is an amenable number.

6737549121 is a deficient number, since it is larger than the sum of its proper divisors (2994466289).

6737549121 is a wasteful number, since it uses less digits than its factorization.

6737549121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748616575 (or 748616572 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 6737549121 is about 82082.5750144329. The cubic root of 6737549121 is about 1888.7188504130.

The spelling of 6737549121 in words is "six billion, seven hundred thirty-seven million, five hundred forty-nine thousand, one hundred twenty-one".