725451617363 has 8 divisors (see below), whose sum is σ = 791998164480. Its totient is φ = 659004470280.

The previous prime is 725451617347. The next prime is 725451617383. The reversal of 725451617363 is 363716154527.

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

It is a cyclic number.

It is not a de Polignac number, because 725451617363 - 2⁴ = 725451617347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725451617383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24834743 + ... + 24863936.

It is an arithmetic number, because the mean of its divisors is an integer number (98999770560).

Almost surely, 2^725451617363 is an apocalyptic number.

725451617363 is a deficient number, since it is larger than the sum of its proper divisors (66546547117).

725451617363 is a wasteful number, since it uses less digits than its factorization.

725451617363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49700017.

The product of its digits is 3175200, while the sum is 50.

The spelling of 725451617363 in words is "seven hundred twenty-five billion, four hundred fifty-one million, six hundred seventeen thousand, three hundred sixty-three".