1742868929 has 2 divisors, whose sum is σ = 1742868930. Its totient is φ = 1742868928.

The previous prime is 1742868913. The next prime is 1742868931. The reversal of 1742868929 is 9298682471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1159743025 + 583125904 = 34055^2 + 24148^2 .

It is a cyclic number.

It is not a de Polignac number, because 1742868929 - 2⁴ = 1742868913 is a prime.

It is a Sophie Germain prime.

Together with 1742868931, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1742868989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871434464 + 871434465.

It is an arithmetic number, because the mean of its divisors is an integer number (871434465).

Almost surely, 2^1742868929 is an apocalyptic number.

It is an amenable number.

1742868929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742868929 is an equidigital number, since it uses as much as digits as its factorization.

1742868929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 56.

The square root of 1742868929 is about 41747.6817200668. The cubic root of 1742868929 is about 1203.4320565118.

The spelling of 1742868929 in words is "one billion, seven hundred forty-two million, eight hundred sixty-eight thousand, nine hundred twenty-nine".