421011431045 has 16 divisors (see below), whose sum is σ = 508388047680. Its totient is φ = 334693534464.

The previous prime is 421011431017. The next prime is 421011431119. The reversal of 421011431045 is 540134110124.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421011431045 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6108386 + ... + 6176924.

It is an arithmetic number, because the mean of its divisors is an integer number (31774252980).

Almost surely, 2^421011431045 is an apocalyptic number.

It is an amenable number.

421011431045 is a deficient number, since it is larger than the sum of its proper divisors (87376616635).

421011431045 is a wasteful number, since it uses less digits than its factorization.

421011431045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76244.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 421011431045 its reverse (540134110124), we get a palindrome (961145541169).

The spelling of 421011431045 in words is "four hundred twenty-one billion, eleven million, four hundred thirty-one thousand, forty-five".