421214000542 has 4 divisors (see below), whose sum is σ = 631821000816. Its totient is φ = 210607000270.

The previous prime is 421214000527. The next prime is 421214000573. The reversal of 421214000542 is 245000412124.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 105303500134 + ... + 105303500137.

It is an arithmetic number, because the mean of its divisors is an integer number (157955250204).

Almost surely, 2^421214000542 is an apocalyptic number.

421214000542 is a deficient number, since it is larger than the sum of its proper divisors (210607000274).

421214000542 is a wasteful number, since it uses less digits than its factorization.

421214000542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210607000273.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 421214000542 its reverse (245000412124), we get a palindrome (666214412666).

The spelling of 421214000542 in words is "four hundred twenty-one billion, two hundred fourteen million, five hundred forty-two", and thus it is an aban number.