3862649894401 has 8 divisors (see below), whose sum is σ = 3887991521640. Its totient is φ = 3837342913152.

The previous prime is 3862649894377. The next prime is 3862649894413. The reversal of 3862649894401 is 1044989462683.

It can be written as a sum of positive squares in 4 ways, for example, as 2899800294400 + 962849600001 = 1702880^2 + 981249^2 .

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 3862649894401 - 2²⁵ = 3862616339969 is a prime.

It is a super-2 number, since 2×3862649894401² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3862649894471) 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, 8437770 + ... + 8883763.

It is an arithmetic number, because the mean of its divisors is an integer number (485998940205).

Almost surely, 2^{3862649894401} is an apocalyptic number.

It is an amenable number.

3862649894401 is a deficient number, since it is larger than the sum of its proper divisors (25341627239).

3862649894401 is a wasteful number, since it uses less digits than its factorization.

3862649894401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17322995.

The product of its (nonzero) digits is 71663616, while the sum is 64.

The spelling of 3862649894401 in words is "three trillion, eight hundred sixty-two billion, six hundred forty-nine million, eight hundred ninety-four thousand, four hundred one".