719550427 has 2 divisors, whose sum is σ = 719550428. Its totient is φ = 719550426.

The previous prime is 719550389. The next prime is 719550443. The reversal of 719550427 is 724055917.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 719550427 - 2²³ = 711161819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 719550427.

It is not a weakly prime, because it can be changed into another prime (719550457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359775213 + 359775214.

It is an arithmetic number, because the mean of its divisors is an integer number (359775214).

Almost surely, 2^719550427 is an apocalyptic number.

719550427 is a deficient number, since it is larger than the sum of its proper divisors (1).

719550427 is an equidigital number, since it uses as much as digits as its factorization.

719550427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 719550427 is about 26824.4371236378. The cubic root of 719550427 is about 896.0943624544.

The spelling of 719550427 in words is "seven hundred nineteen million, five hundred fifty thousand, four hundred twenty-seven".