725361171659 has 2 divisors, whose sum is σ = 725361171660. Its totient is φ = 725361171658.

The previous prime is 725361171643. The next prime is 725361171677. The reversal of 725361171659 is 956171163527.

725361171659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725361171659 - 2⁴ = 725361171643 is a prime.

It is a super-2 number, since 2×725361171659² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 725361171659.

It is not a weakly prime, because it can be changed into another prime (725361171259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362680585829 + 362680585830.

It is an arithmetic number, because the mean of its divisors is an integer number (362680585830).

Almost surely, 2^725361171659 is an apocalyptic number.

725361171659 is a deficient number, since it is larger than the sum of its proper divisors (1).

725361171659 is an equidigital number, since it uses as much as digits as its factorization.

725361171659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 53.

The spelling of 725361171659 in words is "seven hundred twenty-five billion, three hundred sixty-one million, one hundred seventy-one thousand, six hundred fifty-nine".