720031587841 has 2 divisors, whose sum is σ = 720031587842. Its totient is φ = 720031587840.

The previous prime is 720031587809. The next prime is 720031587887. The reversal of 720031587841 is 148785130027.

It is an a-pointer prime, because the next prime (720031587887) can be obtained adding 720031587841 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692563497616 + 27468090225 = 832204^2 + 165735^2 .

It is a cyclic number.

It is not a de Polignac number, because 720031587841 - 2⁵ = 720031587809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 720031587791 and 720031587800.

It is not a weakly prime, because it can be changed into another prime (720031584841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360015793920 + 360015793921.

It is an arithmetic number, because the mean of its divisors is an integer number (360015793921).

Almost surely, 2^720031587841 is an apocalyptic number.

It is an amenable number.

720031587841 is a deficient number, since it is larger than the sum of its proper divisors (1).

720031587841 is an equidigital number, since it uses as much as digits as its factorization.

720031587841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 720031587841 in words is "seven hundred twenty billion, thirty-one million, five hundred eighty-seven thousand, eight hundred forty-one".