427738572043 has 4 divisors (see below), whose sum is σ = 441536590528. Its totient is φ = 413940553560.

The previous prime is 427738572013. The next prime is 427738572061. The reversal of 427738572043 is 340275837724.

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 427738572043 - 2⁵ = 427738572011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427738572013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6899009196 + ... + 6899009257.

It is an arithmetic number, because the mean of its divisors is an integer number (110384147632).

Almost surely, 2^427738572043 is an apocalyptic number.

427738572043 is a deficient number, since it is larger than the sum of its proper divisors (13798018485).

427738572043 is a wasteful number, since it uses less digits than its factorization.

427738572043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13798018484.

The product of its (nonzero) digits is 7902720, while the sum is 52.

The spelling of 427738572043 in words is "four hundred twenty-seven billion, seven hundred thirty-eight million, five hundred seventy-two thousand, forty-three".