6549737960 has 32 divisors (see below), whose sum is σ = 14742793800. Its totient is φ = 2618849280.

The previous prime is 6549737959. The next prime is 6549737981. The reversal of 6549737960 is 697379456.

It can be written as a sum of positive squares in 4 ways, for example, as 3877054756 + 2672683204 = 62266^2 + 51698^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6549737896 and 6549737905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72980 + ... + 135740.

Almost surely, 2^6549737960 is an apocalyptic number.

It is an amenable number.

6549737960 is an abundant number, since it is smaller than the sum of its proper divisors (8193055840).

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

6549737960 is a wasteful number, since it uses less digits than its factorization.

6549737960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65381 (or 65377 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 56.

The square root of 6549737960 is about 80930.4513764751. The cubic root of 6549737960 is about 1871.0036801759.

The spelling of 6549737960 in words is "six billion, five hundred forty-nine million, seven hundred thirty-seven thousand, nine hundred sixty".