6249666288870 has 32 divisors (see below), whose sum is σ = 16665776771040. Its totient is φ = 1666577676960.

The previous prime is 6249666288829. The next prime is 6249666288889. The reversal of 6249666288870 is 788826669426.

It is a happy number.

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, 11573455821 + ... + 11573456360.

It is an arithmetic number, because the mean of its divisors is an integer number (520805524095).

Almost surely, 2^{6249666288870} is an apocalyptic number.

6249666288870 is an abundant number, since it is smaller than the sum of its proper divisors (10416110482170).

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

6249666288870 is a wasteful number, since it uses less digits than its factorization.

6249666288870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23146912197 (or 23146912191 counting only the distinct ones).

The product of its (nonzero) digits is 668860416, while the sum is 72.

The spelling of 6249666288870 in words is "six trillion, two hundred forty-nine billion, six hundred sixty-six million, two hundred eighty-eight thousand, eight hundred seventy".