719121983 has 2 divisors, whose sum is σ = 719121984. Its totient is φ = 719121982.

The previous prime is 719121901. The next prime is 719121989. The reversal of 719121983 is 389121917.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (389121917) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 719121983 - 2⁸ = 719121727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 719121983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (719121989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359560991 + 359560992.

It is an arithmetic number, because the mean of its divisors is an integer number (359560992).

Almost surely, 2^719121983 is an apocalyptic number.

719121983 is a deficient number, since it is larger than the sum of its proper divisors (1).

719121983 is an equidigital number, since it uses as much as digits as its factorization.

719121983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 41.

The square root of 719121983 is about 26816.4498582493. The cubic root of 719121983 is about 895.9164724531.

The spelling of 719121983 in words is "seven hundred nineteen million, one hundred twenty-one thousand, nine hundred eighty-three".