6253687540 has 24 divisors (see below), whose sum is σ = 13328757792. Its totient is φ = 2464139040.

The previous prime is 6253687501. The next prime is 6253687543. The reversal of 6253687540 is 457863526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6253687543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2332126 + ... + 2334805.

It is an arithmetic number, because the mean of its divisors is an integer number (555364908).

Almost surely, 2^6253687540 is an apocalyptic number.

It is an amenable number.

6253687540 is an abundant number, since it is smaller than the sum of its proper divisors (7075070252).

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

6253687540 is a wasteful number, since it uses less digits than its factorization.

6253687540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667007 (or 4667005 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The square root of 6253687540 is about 79080.2601159101. The cubic root of 6253687540 is about 1842.3779451239.

The spelling of 6253687540 in words is "six billion, two hundred fifty-three million, six hundred eighty-seven thousand, five hundred forty".