6509455212 has 48 divisors (see below), whose sum is σ = 16371613440. Its totient is φ = 2001131328.

The previous prime is 6509455189. The next prime is 6509455213. The reversal of 6509455212 is 2125549056.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (6509455213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163489 + ... + 199367.

It is an arithmetic number, because the mean of its divisors is an integer number (341075280).

Almost surely, 2^6509455212 is an apocalyptic number.

It is an amenable number.

6509455212 is an abundant number, since it is smaller than the sum of its proper divisors (9862158228).

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

6509455212 is a wasteful number, since it uses less digits than its factorization.

6509455212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37062 (or 37060 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 6509455212 is about 80681.1949093468. The cubic root of 6509455212 is about 1867.1600549668.

The spelling of 6509455212 in words is "six billion, five hundred nine million, four hundred fifty-five thousand, two hundred twelve".