1393747065993 has 32 divisors (see below), whose sum is σ = 2002047062400. Its totient is φ = 859232854016.

The previous prime is 1393747065911. The next prime is 1393747066007. The reversal of 1393747065993 is 3995607473931.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1393747065993 - 2³⁸ = 1118869159049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1393747065493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5635153 + ... + 5877281.

It is an arithmetic number, because the mean of its divisors is an integer number (62563970700).

Almost surely, 2^{1393747065993} is an apocalyptic number.

It is an amenable number.

1393747065993 is a deficient number, since it is larger than the sum of its proper divisors (608299996407).

1393747065993 is a wasteful number, since it uses less digits than its factorization.

1393747065993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244121.

The product of its (nonzero) digits is 115736040, while the sum is 66.

The spelling of 1393747065993 in words is "one trillion, three hundred ninety-three billion, seven hundred forty-seven million, sixty-five thousand, nine hundred ninety-three".