3641786977143 has 48 divisors (see below), whose sum is σ = 5992592363520. Its totient is φ = 1955969938944.

The previous prime is 3641786977139. The next prime is 3641786977211. The reversal of 3641786977143 is 3417796871463.

It is not a de Polignac number, because 3641786977143 - 2² = 3641786977139 is a prime.

It is a super-2 number, since 2×3641786977143² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641786977343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4778746 + ... + 5488167.

It is an arithmetic number, because the mean of its divisors is an integer number (124845674240).

Almost surely, 2^{3641786977143} is an apocalyptic number.

3641786977143 is a deficient number, since it is larger than the sum of its proper divisors (2350805386377).

3641786977143 is a wasteful number, since it uses less digits than its factorization.

3641786977143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10267076 (or 10267069 counting only the distinct ones).

The product of its digits is 128024064, while the sum is 66.

The spelling of 3641786977143 in words is "three trillion, six hundred forty-one billion, seven hundred eighty-six million, nine hundred seventy-seven thousand, one hundred forty-three".