725471188943 has 4 divisors (see below), whose sum is σ = 727561884360. Its totient is φ = 723380493528.

The previous prime is 725471188919. The next prime is 725471188979. The reversal of 725471188943 is 349881174527.

It is a happy number.

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 725471188943 - 2¹⁶ = 725471123407 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 (725471188543) 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, 1045347188 + ... + 1045347881.

It is an arithmetic number, because the mean of its divisors is an integer number (181890471090).

Almost surely, 2^725471188943 is an apocalyptic number.

725471188943 is a deficient number, since it is larger than the sum of its proper divisors (2090695417).

725471188943 is a wasteful number, since it uses less digits than its factorization.

725471188943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090695416.

The product of its digits is 13547520, while the sum is 59.

The spelling of 725471188943 in words is "seven hundred twenty-five billion, four hundred seventy-one million, one hundred eighty-eight thousand, nine hundred forty-three".