6869799144 has 384 divisors, whose sum is σ = 23084006400. Its totient is φ = 1821450240.

The previous prime is 6869799109. The next prime is 6869799187. The reversal of 6869799144 is 4419979686.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9371802 + ... + 9372534.

It is an arithmetic number, because the mean of its divisors is an integer number (60114600).

Almost surely, 2^6869799144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6869799144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11542003200).

6869799144 is an abundant number, since it is smaller than the sum of its proper divisors (16214207256).

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

6869799144 is a wasteful number, since it uses less digits than its factorization.

6869799144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 818 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 6869799144 is about 82884.2514836202. The cubic root of 6869799144 is about 1900.9966280135.

The spelling of 6869799144 in words is "six billion, eight hundred sixty-nine million, seven hundred ninety-nine thousand, one hundred forty-four".