725363928437 has 4 divisors (see below), whose sum is σ = 734103252960. Its totient is φ = 716624603916.

The previous prime is 725363928427. The next prime is 725363928503. The reversal of 725363928437 is 734829363527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 725363928437 - 2³⁸ = 450486021493 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 (725363928427) 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, 4369662137 + ... + 4369662302.

It is an arithmetic number, because the mean of its divisors is an integer number (183525813240).

Almost surely, 2^725363928437 is an apocalyptic number.

It is an amenable number.

725363928437 is a deficient number, since it is larger than the sum of its proper divisors (8739324523).

725363928437 is an equidigital number, since it uses as much as digits as its factorization.

725363928437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739324522.

The product of its digits is 45722880, while the sum is 59.

The spelling of 725363928437 in words is "seven hundred twenty-five billion, three hundred sixty-three million, nine hundred twenty-eight thousand, four hundred thirty-seven".