725953539679 has 4 divisors (see below), whose sum is σ = 726199378576. Its totient is φ = 725707700784.

The previous prime is 725953539677. The next prime is 725953539719. The reversal of 725953539679 is 976935359527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976935359527 = 39979 ⋅24436213.

It is a cyclic number.

It is not a de Polignac number, because 725953539679 - 2¹ = 725953539677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725953539677) 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, 122915019 + ... + 122920924.

It is an arithmetic number, because the mean of its divisors is an integer number (181549844644).

Almost surely, 2^725953539679 is an apocalyptic number.

725953539679 is a deficient number, since it is larger than the sum of its proper divisors (245838897).

725953539679 is a wasteful number, since it uses less digits than its factorization.

725953539679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245838896.

The product of its digits is 482233500, while the sum is 70.

The spelling of 725953539679 in words is "seven hundred twenty-five billion, nine hundred fifty-three million, five hundred thirty-nine thousand, six hundred seventy-nine".