421338238475 has 192 divisors, whose sum is σ = 690058690560. Its totient is φ = 247563993600.

The previous prime is 421338238439. The next prime is 421338238507. The reversal of 421338238475 is 574832833124.

It is not a de Polignac number, because 421338238475 - 2¹² = 421338234379 is a prime.

It is a super-2 number, since 2×421338238475² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 475014482 + ... + 475015368.

It is an arithmetic number, because the mean of its divisors is an integer number (3594055680).

Almost surely, 2^421338238475 is an apocalyptic number.

421338238475 is a deficient number, since it is larger than the sum of its proper divisors (268720452085).

421338238475 is a wasteful number, since it uses less digits than its factorization.

421338238475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1133 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 50.

The spelling of 421338238475 in words is "four hundred twenty-one billion, three hundred thirty-eight million, two hundred thirty-eight thousand, four hundred seventy-five".