3961223772341 has 16 divisors (see below), whose sum is σ = 4460920708608. Its totient is φ = 3484800897600.

The previous prime is 3961223772313. The next prime is 3961223772353. The reversal of 3961223772341 is 1432773221693.

It is a de Polignac number, because none of the positive numbers 2^k-3961223772341 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 3961223772341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961223772041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8305631 + ... + 8769603.

It is an arithmetic number, because the mean of its divisors is an integer number (278807544288).

Almost surely, 2^{3961223772341} is an apocalyptic number.

3961223772341 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3961223772341 is a deficient number, since it is larger than the sum of its proper divisors (499696936267).

3961223772341 is a wasteful number, since it uses less digits than its factorization.

3961223772341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489052.

The product of its digits is 2286144, while the sum is 50.

The spelling of 3961223772341 in words is "three trillion, nine hundred sixty-one billion, two hundred twenty-three million, seven hundred seventy-two thousand, three hundred forty-one".