421748338604 has 48 divisors (see below), whose sum is σ = 757825873056. Its totient is φ = 205251379200.

The previous prime is 421748338597. The next prime is 421748338607. The reversal of 421748338604 is 406833847124.

It is a super-2 number, since 2×421748338604² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421748338607) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 183607184 + ... + 183609480.

It is an arithmetic number, because the mean of its divisors is an integer number (15788039022).

Almost surely, 2^421748338604 is an apocalyptic number.

It is an amenable number.

421748338604 is a deficient number, since it is larger than the sum of its proper divisors (336077534452).

421748338604 is a wasteful number, since it uses less digits than its factorization.

421748338604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466 (or 4464 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 421748338604 in words is "four hundred twenty-one billion, seven hundred forty-eight million, three hundred thirty-eight thousand, six hundred four".