6842249369961 has 4 divisors (see below), whose sum is σ = 9122999159952. Its totient is φ = 4561499579972.

The previous prime is 6842249369947. The next prime is 6842249369983. The reversal of 6842249369961 is 1699639422486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6842249369961 - 2¹⁰ = 6842249368937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6842249362961) 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, 1140374894991 + ... + 1140374894996.

It is an arithmetic number, because the mean of its divisors is an integer number (2280749789988).

Almost surely, 2^{6842249369961} is an apocalyptic number.

It is an amenable number.

6842249369961 is a deficient number, since it is larger than the sum of its proper divisors (2280749789991).

6842249369961 is a wasteful number, since it uses less digits than its factorization.

6842249369961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280749789990.

The product of its digits is 241864704, while the sum is 69.

The spelling of 6842249369961 in words is "six trillion, eight hundred forty-two billion, two hundred forty-nine million, three hundred sixty-nine thousand, nine hundred sixty-one".