722990243243 has 4 divisors (see below), whose sum is σ = 722993915280. Its totient is φ = 722986571208.

The previous prime is 722990243219. The next prime is 722990243279. The reversal of 722990243243 is 342342099227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 722990243243 - 2¹⁸ = 722989981099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722990443243) 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, 1522880 + ... + 1940397.

It is an arithmetic number, because the mean of its divisors is an integer number (180748478820).

Almost surely, 2^722990243243 is an apocalyptic number.

722990243243 is a deficient number, since it is larger than the sum of its proper divisors (3672037).

722990243243 is a wasteful number, since it uses less digits than its factorization.

722990243243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672036.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 722990243243 in words is "seven hundred twenty-two billion, nine hundred ninety million, two hundred forty-three thousand, two hundred forty-three".