739923389 has 2 divisors, whose sum is σ = 739923390. Its totient is φ = 739923388.

The previous prime is 739923367. The next prime is 739923427. The reversal of 739923389 is 983329937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492396100 + 247527289 = 22190^2 + 15733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-739923389 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 739923389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (739923889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369961694 + 369961695.

It is an arithmetic number, because the mean of its divisors is an integer number (369961695).

Almost surely, 2^739923389 is an apocalyptic number.

It is an amenable number.

739923389 is a deficient number, since it is larger than the sum of its proper divisors (1).

739923389 is an equidigital number, since it uses as much as digits as its factorization.

739923389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 53.

The square root of 739923389 is about 27201.5328428381. The cubic root of 739923389 is about 904.4729546238.

The spelling of 739923389 in words is "seven hundred thirty-nine million, nine hundred twenty-three thousand, three hundred eighty-nine".