6922433957861 has 4 divisors (see below), whose sum is σ = 6922443624492. Its totient is φ = 6922424291232.

The previous prime is 6922433957849. The next prime is 6922433957899. The reversal of 6922433957861 is 1687593342296.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4091392152961 + 2831041804900 = 2022719^2 + 1682570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6922433957861 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 (6922433957801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665006 + ... + 5222751.

It is an arithmetic number, because the mean of its divisors is an integer number (1730610906123).

Almost surely, 2^{6922433957861} is an apocalyptic number.

It is an amenable number.

6922433957861 is a deficient number, since it is larger than the sum of its proper divisors (9666631).

6922433957861 is an equidigital number, since it uses as much as digits as its factorization.

6922433957861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9666630.

The product of its digits is 117573120, while the sum is 65.

The spelling of 6922433957861 in words is "six trillion, nine hundred twenty-two billion, four hundred thirty-three million, nine hundred fifty-seven thousand, eight hundred sixty-one".