421493092246 has 32 divisors (see below), whose sum is σ = 647382792960. Its totient is φ = 205758084000.

The previous prime is 421493092231. The next prime is 421493092247. The reversal of 421493092246 is 642290394124.

It is a super-2 number, since 2×421493092246² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421493092196 and 421493092205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421493092247) 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, 74584521 + ... + 74590171.

It is an arithmetic number, because the mean of its divisors is an integer number (20230712280).

Almost surely, 2^421493092246 is an apocalyptic number.

421493092246 is a deficient number, since it is larger than the sum of its proper divisors (225889700714).

421493092246 is a wasteful number, since it uses less digits than its factorization.

421493092246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10740.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 421493092246 in words is "four hundred twenty-one billion, four hundred ninety-three million, ninety-two thousand, two hundred forty-six".