3942421895610 has 384 divisors, whose sum is σ = 11901405634560. Its totient is φ = 894862080000.

The previous prime is 3942421895497. The next prime is 3942421895669. The reversal of 3942421895610 is 165981242493.

It is a happy number.

3942421895610 is a `hidden beast` number, since 3 + 9 + 4 + 2 + 4 + 2 + 18 + 9 + 5 + 610 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4790305659 + ... + 4790306481.

It is an arithmetic number, because the mean of its divisors is an integer number (30993243840).

Almost surely, 2^{3942421895610} is an apocalyptic number.

3942421895610 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3942421895610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5950702817280).

3942421895610 is an abundant number, since it is smaller than the sum of its proper divisors (7958983738950).

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

3942421895610 is a wasteful number, since it uses less digits than its factorization.

3942421895610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 3942421895610 in words is "three trillion, nine hundred forty-two billion, four hundred twenty-one million, eight hundred ninety-five thousand, six hundred ten".