1393673763941 has 4 divisors (see below), whose sum is σ = 1395486084300. Its totient is φ = 1391861443584.

The previous prime is 1393673763919. The next prime is 1393673763959. The reversal of 1393673763941 is 1493673763931.

It is a happy number.

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 780695944900 + 612977819041 = 883570^2 + 782929^2 .

It is a cyclic number.

It is not a de Polignac number, because 1393673763941 - 2²² = 1393669569637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393673763991) 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, 906159026 + ... + 906160563.

It is an arithmetic number, because the mean of its divisors is an integer number (348871521075).

Almost surely, 2^{1393673763941} is an apocalyptic number.

It is an amenable number.

1393673763941 is a deficient number, since it is larger than the sum of its proper divisors (1812320359).

1393673763941 is an equidigital number, since it uses as much as digits as its factorization.

1393673763941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812320358.

The product of its digits is 46294416, while the sum is 62.

The spelling of 1393673763941 in words is "one trillion, three hundred ninety-three billion, six hundred seventy-three million, seven hundred sixty-three thousand, nine hundred forty-one".