3969881403 has 8 divisors (see below), whose sum is σ = 5379948816. Its totient is φ = 2603200800.

The previous prime is 3969881381. The next prime is 3969881407. The reversal of 3969881403 is 3041889693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3969881403 - 2⁵ = 3969881371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3969881407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10846488 + ... + 10846853.

It is an arithmetic number, because the mean of its divisors is an integer number (672493602).

Almost surely, 2^3969881403 is an apocalyptic number.

3969881403 is a deficient number, since it is larger than the sum of its proper divisors (1410067413).

3969881403 is a wasteful number, since it uses less digits than its factorization.

3969881403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21693405.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 3969881403 is about 63006.9948735853. The cubic root of 3969881403 is about 1583.4068190258.

The spelling of 3969881403 in words is "three billion, nine hundred sixty-nine million, eight hundred eighty-one thousand, four hundred three".