6542789706 has 12 divisors (see below), whose sum is σ = 14176044402. Its totient is φ = 2180929896.

The previous prime is 6542789689. The next prime is 6542789713. The reversal of 6542789706 is 6079872456.

6542789706 is a `hidden beast` number, since 6 + 542 + 7 + 8 + 97 + 0 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6015398481 + 527391225 = 77559^2 + 22965^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181744141 + ... + 181744176.

Almost surely, 2^6542789706 is an apocalyptic number.

6542789706 is an abundant number, since it is smaller than the sum of its proper divisors (7633254696).

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

6542789706 is a wasteful number, since it uses less digits than its factorization.

6542789706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363488325 (or 363488322 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 6542789706 is about 80887.5126703745. The cubic root of 6542789706 is about 1870.3418313782.

The spelling of 6542789706 in words is "six billion, five hundred forty-two million, seven hundred eighty-nine thousand, seven hundred six".