6542856954 has 12 divisors (see below), whose sum is σ = 14176190106. Its totient is φ = 2180952312.

The previous prime is 6542856941. The next prime is 6542856959. The reversal of 6542856954 is 4596582456.

6542856954 is a `hidden beast` number, since 6 + 5 + 4 + 28 + 569 + 54 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5288634729 + 1254222225 = 72723^2 + 35415^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6542856954.

It is not an unprimeable number, because it can be changed into a prime (6542856959) 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, 181746009 + ... + 181746044.

Almost surely, 2^6542856954 is an apocalyptic number.

6542856954 is an abundant number, since it is smaller than the sum of its proper divisors (7633333152).

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

6542856954 is a wasteful number, since it uses less digits than its factorization.

6542856954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363492061 (or 363492058 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The square root of 6542856954 is about 80887.9283576975. The cubic root of 6542856954 is about 1870.3482392624.

The spelling of 6542856954 in words is "six billion, five hundred forty-two million, eight hundred fifty-six thousand, nine hundred fifty-four".