725460663353721 has 8 divisors (see below), whose sum is σ = 968974896530784. Its totient is φ = 482793436206240.

The previous prime is 725460663353719. The next prime is 725460663353761. The reversal of 725460663353721 is 127353366064527.

725460663353721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 725460663353721 - 2¹ = 725460663353719 is a prime.

It is a super-2 number, since 2×725460663353721² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (725460663353761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211751505396 + ... + 211751508821.

It is an arithmetic number, because the mean of its divisors is an integer number (121121862066348).

Almost surely, 2^{725460663353721} is an apocalyptic number.

It is an amenable number.

725460663353721 is a deficient number, since it is larger than the sum of its proper divisors (243514233177063).

725460663353721 is a wasteful number, since it uses less digits than its factorization.

725460663353721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423503014791.

The product of its (nonzero) digits is 114307200, while the sum is 60.

The spelling of 725460663353721 in words is "seven hundred twenty-five trillion, four hundred sixty billion, six hundred sixty-three million, three hundred fifty-three thousand, seven hundred twenty-one".