719055401 has 2 divisors, whose sum is σ = 719055402. Its totient is φ = 719055400.

The previous prime is 719055383. The next prime is 719055431. The reversal of 719055401 is 104550917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 646379776 + 72675625 = 25424^2 + 8525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-719055401 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (719055431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359527700 + 359527701.

It is an arithmetic number, because the mean of its divisors is an integer number (359527701).

Almost surely, 2^719055401 is an apocalyptic number.

It is an amenable number.

719055401 is a deficient number, since it is larger than the sum of its proper divisors (1).

719055401 is an equidigital number, since it uses as much as digits as its factorization.

719055401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 719055401 is about 26815.2083900163. The cubic root of 719055401 is about 895.8888212558. Note that the first 4 decimals are identical.

The spelling of 719055401 in words is "seven hundred nineteen million, fifty-five thousand, four hundred one".