427952331406 has 4 divisors (see below), whose sum is σ = 641928497112. Its totient is φ = 213976165702.

The previous prime is 427952331403. The next prime is 427952331407. The reversal of 427952331406 is 604133259724.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427952331403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106988082850 + ... + 106988082853.

It is an arithmetic number, because the mean of its divisors is an integer number (160482124278).

Almost surely, 2^427952331406 is an apocalyptic number.

427952331406 is a deficient number, since it is larger than the sum of its proper divisors (213976165706).

427952331406 is a wasteful number, since it uses less digits than its factorization.

427952331406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213976165705.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 427952331406 in words is "four hundred twenty-seven billion, nine hundred fifty-two million, three hundred thirty-one thousand, four hundred six".