724148969 has 2 divisors, whose sum is σ = 724148970. Its totient is φ = 724148968.

The previous prime is 724148959. The next prime is 724148993. The reversal of 724148969 is 969841427.

724148969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532686400 + 191462569 = 23080^2 + 13837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724148969 is a prime.

It is a super-2 number, since 2×724148969² = 1048783458607525922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (724148959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362074484 + 362074485.

It is an arithmetic number, because the mean of its divisors is an integer number (362074485).

Almost surely, 2^724148969 is an apocalyptic number.

It is an amenable number.

724148969 is a deficient number, since it is larger than the sum of its proper divisors (1).

724148969 is an equidigital number, since it uses as much as digits as its factorization.

724148969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 724148969 is about 26910.0161464091. The cubic root of 724148969 is about 897.9992464482. Note that the first 3 decimals are identical.

The spelling of 724148969 in words is "seven hundred twenty-four million, one hundred forty-eight thousand, nine hundred sixty-nine".