4142981956 has 9 divisors (see below), whose sum is σ = 7250443711. Its totient is φ = 2071426612.

The previous prime is 4142981933. The next prime is 4142981971. The reversal of 4142981956 is 6591892414.

The square root of 4142981956 is 64366.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×4142981956³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 112641 + ... + 144823.

Almost surely, 2^4142981956 is an apocalyptic number.

4142981956 is the 64366-th square number.

It is an amenable number.

4142981956 is a deficient number, since it is larger than the sum of its proper divisors (3107461755).

4142981956 is an frugal number, since it uses more digits than its factorization.

4142981956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64370 (or 32185 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The cubic root of 4142981956 is about 1606.0942006658.

Multiplying 4142981956 by its sum of digits (49), we get a square (203006115844 = 450562²).

The spelling of 4142981956 in words is "four billion, one hundred forty-two million, nine hundred eighty-one thousand, nine hundred fifty-six".