3981741870 has 64 divisors (see below), whose sum is σ = 10126964736. Its totient is φ = 998484480.

The previous prime is 3981741839. The next prime is 3981741871. The reversal of 3981741870 is 781471893.

It is a super-2 number, since 2×3981741870² = 31708536638622193800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981741871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 768027 + ... + 773193.

It is an arithmetic number, because the mean of its divisors is an integer number (158233824).

Almost surely, 2^3981741870 is an apocalyptic number.

3981741870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3981741870 is an abundant number, since it is smaller than the sum of its proper divisors (6145222866).

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

3981741870 is a wasteful number, since it uses less digits than its factorization.

3981741870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705.

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 3981741870 is about 63101.0449200328. The cubic root of 3981741870 is about 1584.9821198977.

The spelling of 3981741870 in words is "three billion, nine hundred eighty-one million, seven hundred forty-one thousand, eight hundred seventy".