42902329639 has 4 divisors (see below), whose sum is σ = 46202508856. Its totient is φ = 39602150424.

The previous prime is 42902329621. The next prime is 42902329649. The reversal of 42902329639 is 93692320924.

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

It is a cyclic number.

It is not a de Polignac number, because 42902329639 - 2¹¹ = 42902327591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42902329592 and 42902329601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42902329649) 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, 1650089589 + ... + 1650089614.

It is an arithmetic number, because the mean of its divisors is an integer number (11550627214).

Almost surely, 2^42902329639 is an apocalyptic number.

42902329639 is a deficient number, since it is larger than the sum of its proper divisors (3300179217).

42902329639 is a wasteful number, since it uses less digits than its factorization.

42902329639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300179216.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 42902329639 in words is "forty-two billion, nine hundred two million, three hundred twenty-nine thousand, six hundred thirty-nine".