723952467649 has 4 divisors (see below), whose sum is σ = 724129954560. Its totient is φ = 723774980740.

The previous prime is 723952467647. The next prime is 723952467737. The reversal of 723952467649 is 946764259327.

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 723952467649 - 2¹ = 723952467647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723952467647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88737337 + ... + 88745494.

It is an arithmetic number, because the mean of its divisors is an integer number (181032488640).

Almost surely, 2^723952467649 is an apocalyptic number.

It is an amenable number.

723952467649 is a deficient number, since it is larger than the sum of its proper divisors (177486911).

723952467649 is a wasteful number, since it uses less digits than its factorization.

723952467649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177486910.

The product of its digits is 137168640, while the sum is 64.

The spelling of 723952467649 in words is "seven hundred twenty-three billion, nine hundred fifty-two million, four hundred sixty-seven thousand, six hundred forty-nine".