1325396234989 has 2 divisors, whose sum is σ = 1325396234990. Its totient is φ = 1325396234988.

The previous prime is 1325396234893. The next prime is 1325396234993. The reversal of 1325396234989 is 9894326935231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 812657175625 + 512739059364 = 901475^2 + 716058^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325396234989 - 2¹³ = 1325396226797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1325396234989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325396231989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662698117494 + 662698117495.

It is an arithmetic number, because the mean of its divisors is an integer number (662698117495).

Almost surely, 2^{1325396234989} is an apocalyptic number.

It is an amenable number.

1325396234989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325396234989 is an equidigital number, since it uses as much as digits as its factorization.

1325396234989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75582720, while the sum is 64.

The spelling of 1325396234989 in words is "one trillion, three hundred twenty-five billion, three hundred ninety-six million, two hundred thirty-four thousand, nine hundred eighty-nine".