6542511630 has 32 divisors (see below), whose sum is σ = 15704337024. Its totient is φ = 1744413216.

The previous prime is 6542511587. The next prime is 6542511673. The reversal of 6542511630 is 361152456.

It is an interprime number because it is at equal distance from previous prime (6542511587) and next prime (6542511673).

It is a super-3 number, since 3×6542511630³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6542511591 and 6542511600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282469 + ... + 304751.

It is an arithmetic number, because the mean of its divisors is an integer number (490760532).

Almost surely, 2^6542511630 is an apocalyptic number.

6542511630 is an abundant number, since it is smaller than the sum of its proper divisors (9161825394).

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

6542511630 is a wasteful number, since it uses less digits than its factorization.

6542511630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32080.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 6542511630 is about 80885.7937464917. The cubic root of 6542511630 is about 1870.3153337848.

The spelling of 6542511630 in words is "six billion, five hundred forty-two million, five hundred eleven thousand, six hundred thirty".