3982417851 has 4 divisors (see below), whose sum is σ = 5309890472. Its totient is φ = 2654945232.

The previous prime is 3982417849. The next prime is 3982417889. The reversal of 3982417851 is 1587142893.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3982417851 - 2¹ = 3982417849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3982417851.

It is not an unprimeable number, because it can be changed into a prime (3982417801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663736306 + ... + 663736311.

It is an arithmetic number, because the mean of its divisors is an integer number (1327472618).

Almost surely, 2^3982417851 is an apocalyptic number.

3982417851 is a deficient number, since it is larger than the sum of its proper divisors (1327472621).

3982417851 is a wasteful number, since it uses less digits than its factorization.

3982417851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327472620.

The product of its digits is 483840, while the sum is 48.

The square root of 3982417851 is about 63106.4010303234. The cubic root of 3982417851 is about 1585.0718090511.

It can be divided in two parts, 39824 and 17851, that added together give a palindrome (57675).

The spelling of 3982417851 in words is "three billion, nine hundred eighty-two million, four hundred seventeen thousand, eight hundred fifty-one".