41662053421 has 4 divisors (see below), whose sum is σ = 43473447072. Its totient is φ = 39850659772.

The previous prime is 41662053361. The next prime is 41662053427. The reversal of 41662053421 is 12435026614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41662053421 - 2²¹ = 41659956269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41662053427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905696791 + ... + 905696836.

It is an arithmetic number, because the mean of its divisors is an integer number (10868361768).

Almost surely, 2^41662053421 is an apocalyptic number.

It is an amenable number.

41662053421 is a deficient number, since it is larger than the sum of its proper divisors (1811393651).

41662053421 is a wasteful number, since it uses less digits than its factorization.

41662053421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811393650.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 41662053421 in words is "forty-one billion, six hundred sixty-two million, fifty-three thousand, four hundred twenty-one".