1393922944001 has 4 divisors (see below), whose sum is σ = 1593054793152. Its totient is φ = 1194791094852.

The previous prime is 1393922943899. The next prime is 1393922944009. The reversal of 1393922944001 is 1004492293931.

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 a de Polignac number, because none of the positive numbers 2^k-1393922944001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1393922944009) 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, 99565924565 + ... + 99565924578.

It is an arithmetic number, because the mean of its divisors is an integer number (398263698288).

Almost surely, 2^{1393922944001} is an apocalyptic number.

It is an amenable number.

1393922944001 is a deficient number, since it is larger than the sum of its proper divisors (199131849151).

1393922944001 is an equidigital number, since it uses as much as digits as its factorization.

1393922944001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199131849150.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 1393922944001 in words is "one trillion, three hundred ninety-three billion, nine hundred twenty-two million, nine hundred forty-four thousand, one".