421846872741 has 24 divisors (see below), whose sum is σ = 696403344000. Its totient is φ = 241048015776.

The previous prime is 421846872697. The next prime is 421846872743. The reversal of 421846872741 is 147278648124.

It is a happy number.

421846872741 is a `hidden beast` number, since 42 + 1 + 8 + 468 + 72 + 74 + 1 = 666.

It is not a de Polignac number, because 421846872741 - 2⁷ = 421846872613 is a prime.

It is a super-2 number, since 2×421846872741² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421846872743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2510635 + ... + 2673383.

It is an arithmetic number, because the mean of its divisors is an integer number (29016806000).

Almost surely, 2^421846872741 is an apocalyptic number.

It is an amenable number.

421846872741 is a deficient number, since it is larger than the sum of its proper divisors (274556471259).

421846872741 is a wasteful number, since it uses less digits than its factorization.

421846872741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203905 (or 203902 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 54.

The spelling of 421846872741 in words is "four hundred twenty-one billion, eight hundred forty-six million, eight hundred seventy-two thousand, seven hundred forty-one".