734849789 has 2 divisors, whose sum is σ = 734849790. Its totient is φ = 734849788.

The previous prime is 734849677. The next prime is 734849807. The reversal of 734849789 is 987948437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 531302500 + 203547289 = 23050^2 + 14267^2 .

It is a cyclic number.

It is not a de Polignac number, because 734849789 - 2¹² = 734845693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (734849989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367424894 + 367424895.

It is an arithmetic number, because the mean of its divisors is an integer number (367424895).

Almost surely, 2^734849789 is an apocalyptic number.

It is an amenable number.

734849789 is a deficient number, since it is larger than the sum of its proper divisors (1).

734849789 is an equidigital number, since it uses as much as digits as its factorization.

734849789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 59.

The square root of 734849789 is about 27108.1129737944. The cubic root of 734849789 is about 902.4009100264.

The spelling of 734849789 in words is "seven hundred thirty-four million, eight hundred forty-nine thousand, seven hundred eighty-nine".