1393052644471 has 2 divisors, whose sum is σ = 1393052644472. Its totient is φ = 1393052644470.

The previous prime is 1393052644439. The next prime is 1393052644549. The reversal of 1393052644471 is 1744462503931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1393052644471 - 2⁵ = 1393052644439 is a prime.

It is a super-3 number, since 3×1393052644471³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1393052644411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696526322235 + 696526322236.

It is an arithmetic number, because the mean of its divisors is an integer number (696526322236).

Almost surely, 2^{1393052644471} is an apocalyptic number.

1393052644471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1393052644471 is an equidigital number, since it uses as much as digits as its factorization.

1393052644471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 1393052644471 in words is "one trillion, three hundred ninety-three billion, fifty-two million, six hundred forty-four thousand, four hundred seventy-one".