5725402736609 has 2 divisors, whose sum is σ = 5725402736610. Its totient is φ = 5725402736608.

The previous prime is 5725402736563. The next prime is 5725402736621. The reversal of 5725402736609 is 9066372045275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5049435939025 + 675966797584 = 2247095^2 + 822172^2 .

It is a cyclic number.

It is not a de Polignac number, because 5725402736609 - 2⁴⁰ = 4625891108833 is a prime.

It is not a weakly prime, because it can be changed into another prime (5725402736309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2862701368304 + 2862701368305.

It is an arithmetic number, because the mean of its divisors is an integer number (2862701368305).

Almost surely, 2^{5725402736609} is an apocalyptic number.

It is an amenable number.

5725402736609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5725402736609 is an equidigital number, since it uses as much as digits as its factorization.

5725402736609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 5725402736609 in words is "five trillion, seven hundred twenty-five billion, four hundred two million, seven hundred thirty-six thousand, six hundred nine".