6485742492 has 96 divisors (see below), whose sum is σ = 16652697600. Its totient is φ = 1955524032.

The previous prime is 6485742401. The next prime is 6485742559. The reversal of 6485742492 is 2942475846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5070309 + ... + 5071587.

It is an arithmetic number, because the mean of its divisors is an integer number (173465600).

Almost surely, 2^6485742492 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 6485742492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8326348800).

6485742492 is an abundant number, since it is smaller than the sum of its proper divisors (10166955108).

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

6485742492 is a wasteful number, since it uses less digits than its factorization.

6485742492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295 (or 2293 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 51.

The square root of 6485742492 is about 80534.1076314874. The cubic root of 6485742492 is about 1864.8900588063.

The spelling of 6485742492 in words is "six billion, four hundred eighty-five million, seven hundred forty-two thousand, four hundred ninety-two".