421147404799 has 8 divisors (see below), whose sum is σ = 470118033792. Its totient is φ = 373957526040.

The previous prime is 421147404793. The next prime is 421147404829. The reversal of 421147404799 is 997404741124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421147404799 - 2¹⁷ = 421147273727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421147404793) 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 7 ways as a sum of consecutive naturals, for example, 445187059 + ... + 445188004.

It is an arithmetic number, because the mean of its divisors is an integer number (58764754224).

Almost surely, 2^421147404799 is an apocalyptic number.

421147404799 is a deficient number, since it is larger than the sum of its proper divisors (48970628993).

421147404799 is a wasteful number, since it uses less digits than its factorization.

421147404799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890375117.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 421147404799 in words is "four hundred twenty-one billion, one hundred forty-seven million, four hundred four thousand, seven hundred ninety-nine".