725041010621 has 8 divisors (see below), whose sum is σ = 770191107840. Its totient is φ = 680168760768.

The previous prime is 725041010563. The next prime is 725041010633. The reversal of 725041010621 is 126010140527.

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

It is a de Polignac number, because none of the positive numbers 2^k-725041010621 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 (725041010671) 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, 69456461 + ... + 69466898.

It is an arithmetic number, because the mean of its divisors is an integer number (96273888480).

Almost surely, 2^725041010621 is an apocalyptic number.

It is an amenable number.

725041010621 is a deficient number, since it is larger than the sum of its proper divisors (45150097219).

725041010621 is a wasteful number, since it uses less digits than its factorization.

725041010621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138923683.

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 725041010621 in words is "seven hundred twenty-five billion, forty-one million, ten thousand, six hundred twenty-one".