725846219551 has 2 divisors, whose sum is σ = 725846219552. Its totient is φ = 725846219550.

The previous prime is 725846219521. The next prime is 725846219587. The reversal of 725846219551 is 155912648527.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (155912648527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725846219551 - 2¹⁷ = 725846088479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725846219492 and 725846219501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725846219521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362923109775 + 362923109776.

It is an arithmetic number, because the mean of its divisors is an integer number (362923109776).

Almost surely, 2^725846219551 is an apocalyptic number.

725846219551 is a deficient number, since it is larger than the sum of its proper divisors (1).

725846219551 is an equidigital number, since it uses as much as digits as its factorization.

725846219551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048000, while the sum is 55.

The spelling of 725846219551 in words is "seven hundred twenty-five billion, eight hundred forty-six million, two hundred nineteen thousand, five hundred fifty-one".