421461324040547 has 4 divisors (see below), whose sum is σ = 481670084617776. Its totient is φ = 361252563463320.

The previous prime is 421461324040483. The next prime is 421461324040553. The reversal of 421461324040547 is 745040423164124.

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 421461324040547 - 2⁶ = 421461324040483 is a prime.

It is a super-2 number, since 2×421461324040547² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421461224040547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30104380288604 + ... + 30104380288617.

It is an arithmetic number, because the mean of its divisors is an integer number (120417521154444).

Almost surely, 2^{421461324040547} is an apocalyptic number.

421461324040547 is a deficient number, since it is larger than the sum of its proper divisors (60208760577229).

421461324040547 is an equidigital number, since it uses as much as digits as its factorization.

421461324040547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60208760577228.

The product of its (nonzero) digits is 2580480, while the sum is 47.

The spelling of 421461324040547 in words is "four hundred twenty-one trillion, four hundred sixty-one billion, three hundred twenty-four million, forty thousand, five hundred forty-seven".