421748310511 has 8 divisors (see below), whose sum is σ = 465912979200. Its totient is φ = 378554294040.

The previous prime is 421748310493. The next prime is 421748310559. The reversal of 421748310511 is 115013847124.

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 421748310511 - 2⁷ = 421748310383 is a prime.

It is a super-2 number, since 2×421748310511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421748410511) 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 7 ways as a sum of consecutive naturals, for example, 242662141 + ... + 242663878.

It is an arithmetic number, because the mean of its divisors is an integer number (58239122400).

Almost surely, 2^421748310511 is an apocalyptic number.

421748310511 is a deficient number, since it is larger than the sum of its proper divisors (44164668689).

421748310511 is a wasteful number, since it uses less digits than its factorization.

421748310511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485326109.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 421748310511 in words is "four hundred twenty-one billion, seven hundred forty-eight million, three hundred ten thousand, five hundred eleven".