725847961400929 has 4 divisors (see below), whose sum is σ = 768544900306884. Its totient is φ = 683151022494976.

The previous prime is 725847961400909. The next prime is 725847961400953. The reversal of 725847961400929 is 929004169748527.

725847961400929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 349198923528225 + 376649037872704 = 18686865^2 + 19407448^2 .

It is a cyclic number.

It is not a de Polignac number, because 725847961400929 - 2⁵ = 725847961400897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725847961400909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21348469452952 + ... + 21348469452985.

It is an arithmetic number, because the mean of its divisors is an integer number (192136225076721).

Almost surely, 2^{725847961400929} is an apocalyptic number.

It is an amenable number.

725847961400929 is a deficient number, since it is larger than the sum of its proper divisors (42696938905955).

725847961400929 is a wasteful number, since it uses less digits than its factorization.

725847961400929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42696938905954.

The product of its (nonzero) digits is 548674560, while the sum is 73.

The spelling of 725847961400929 in words is "seven hundred twenty-five trillion, eight hundred forty-seven billion, nine hundred sixty-one million, four hundred thousand, nine hundred twenty-nine".