6534994952 has 8 divisors (see below), whose sum is σ = 12253115550. Its totient is φ = 3267497472.

The previous prime is 6534994951. The next prime is 6534994981. The reversal of 6534994952 is 2594994356.

It can be written as a sum of positive squares in only one way, i.e., 3720268036 + 2814726916 = 60994^2 + 53054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6534994951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408437177 + ... + 408437192.

Almost surely, 2^6534994952 is an apocalyptic number.

It is an amenable number.

6534994952 is a deficient number, since it is larger than the sum of its proper divisors (5718120598).

6534994952 is a wasteful number, since it uses less digits than its factorization.

6534994952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816874375 (or 816874371 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 56.

The square root of 6534994952 is about 80839.3156329270. The cubic root of 6534994952 is about 1869.5987921717.

The spelling of 6534994952 in words is "six billion, five hundred thirty-four million, nine hundred ninety-four thousand, nine hundred fifty-two".