719134739 has 2 divisors, whose sum is σ = 719134740. Its totient is φ = 719134738.

The previous prime is 719134729. The next prime is 719134769. The reversal of 719134739 is 937431917.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 719134739 - 2⁴ = 719134723 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 719134739.

It is not a weakly prime, because it can be changed into another prime (719134729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359567369 + 359567370.

It is an arithmetic number, because the mean of its divisors is an integer number (359567370).

Almost surely, 2^719134739 is an apocalyptic number.

719134739 is a deficient number, since it is larger than the sum of its proper divisors (1).

719134739 is an equidigital number, since it uses as much as digits as its factorization.

719134739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 44.

The square root of 719134739 is about 26816.6876962834. The cubic root of 719134739 is about 895.9217697663.

The spelling of 719134739 in words is "seven hundred nineteen million, one hundred thirty-four thousand, seven hundred thirty-nine".