725064057719 has 4 divisors (see below), whose sum is σ = 727083735120. Its totient is φ = 723044380320.

The previous prime is 725064057689. The next prime is 725064057761. The reversal of 725064057719 is 917750460527.

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

It is a cyclic number.

It is not a de Polignac number, because 725064057719 - 2³² = 720769090423 is a prime.

It is a super-2 number, since 2×725064057719² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725064057799) 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, 1009838162 + ... + 1009838879.

It is an arithmetic number, because the mean of its divisors is an integer number (181770933780).

Almost surely, 2^725064057719 is an apocalyptic number.

725064057719 is a deficient number, since it is larger than the sum of its proper divisors (2019677401).

725064057719 is a wasteful number, since it uses less digits than its factorization.

725064057719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019677400.

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 725064057719 in words is "seven hundred twenty-five billion, sixty-four million, fifty-seven thousand, seven hundred nineteen".