42741800621339 has 4 divisors (see below), whose sum is σ = 42741816073320. Its totient is φ = 42741785169360.

The previous prime is 42741800621323. The next prime is 42741800621347. The reversal of 42741800621339 is 93312600814724.

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 42741800621339 - 2⁴ = 42741800621323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42741800620339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2312402 + ... + 9530519.

It is an arithmetic number, because the mean of its divisors is an integer number (10685454018330).

Almost surely, 2^{42741800621339} is an apocalyptic number.

42741800621339 is a deficient number, since it is larger than the sum of its proper divisors (15451981).

42741800621339 is a wasteful number, since it uses less digits than its factorization.

42741800621339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15451980.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 42741800621339 in words is "forty-two trillion, seven hundred forty-one billion, eight hundred million, six hundred twenty-one thousand, three hundred thirty-nine".