3925489243494 has 512 divisors, whose sum is σ = 10654203248640. Its totient is φ = 935294169600.

The previous prime is 3925489243493. The next prime is 3925489243517. The reversal of 3925489243494 is 4943429845293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3925489243493) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 9107863459 + ... + 9107863889.

It is an arithmetic number, because the mean of its divisors is an integer number (20808990720).

Almost surely, 2^{3925489243494} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3925489243494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5327101624320).

3925489243494 is an abundant number, since it is smaller than the sum of its proper divisors (6728714005146).

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

3925489243494 is a wasteful number, since it uses less digits than its factorization.

3925489243494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its digits is 268738560, while the sum is 66.

The spelling of 3925489243494 in words is "three trillion, nine hundred twenty-five billion, four hundred eighty-nine million, two hundred forty-three thousand, four hundred ninety-four".