1393797470539 has 2 divisors, whose sum is σ = 1393797470540. Its totient is φ = 1393797470538.

The previous prime is 1393797470459. The next prime is 1393797470573. The reversal of 1393797470539 is 9350747973931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1393797470539 - 2⁹ = 1393797470027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1393797470339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696898735269 + 696898735270.

It is an arithmetic number, because the mean of its divisors is an integer number (696898735270).

Almost surely, 2^{1393797470539} is an apocalyptic number.

1393797470539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1393797470539 is an equidigital number, since it uses as much as digits as its factorization.

1393797470539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135025380, while the sum is 67.

The spelling of 1393797470539 in words is "one trillion, three hundred ninety-three billion, seven hundred ninety-seven million, four hundred seventy thousand, five hundred thirty-nine".