3867063135421 has 8 divisors (see below), whose sum is σ = 3910668406200. Its totient is φ = 3823461312000.

The previous prime is 3867063135413. The next prime is 3867063135443. The reversal of 3867063135421 is 1245313607683.

It can be written as a sum of positive squares in 4 ways, for example, as 247918351396 + 3619144784025 = 497914^2 + 1902405^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3867063135421 - 2³ = 3867063135413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3867063135451) 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, 1428421 + ... + 3126421.

It is an arithmetic number, because the mean of its divisors is an integer number (488833550775).

Almost surely, 2^{3867063135421} is an apocalyptic number.

It is an amenable number.

3867063135421 is a deficient number, since it is larger than the sum of its proper divisors (43605270779).

3867063135421 is a wasteful number, since it uses less digits than its factorization.

3867063135421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723679.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 3867063135421 in words is "three trillion, eight hundred sixty-seven billion, sixty-three million, one hundred thirty-five thousand, four hundred twenty-one".