742942439429 has 4 divisors (see below), whose sum is σ = 786644935884. Its totient is φ = 699239942976.

The previous prime is 742942439417. The next prime is 742942439441. The reversal of 742942439429 is 924934249247.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (742942439417) and next prime (742942439441).

It can be written as a sum of positive squares in 2 ways, for example, as 697542336100 + 45400103329 = 835190^2 + 213073^2 .

It is a cyclic number.

It is not a de Polignac number, because 742942439429 - 2¹⁶ = 742942373893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742942430429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21851248202 + ... + 21851248235.

It is an arithmetic number, because the mean of its divisors is an integer number (196661233971).

Almost surely, 2^742942439429 is an apocalyptic number.

It is an amenable number.

742942439429 is a deficient number, since it is larger than the sum of its proper divisors (43702496455).

742942439429 is a wasteful number, since it uses less digits than its factorization.

742942439429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43702496454.

The product of its digits is 31352832, while the sum is 59.

The spelling of 742942439429 in words is "seven hundred forty-two billion, nine hundred forty-two million, four hundred thirty-nine thousand, four hundred twenty-nine".