421101454435425 has 48 divisors (see below), whose sum is σ = 773582225604480. Its totient is φ = 224586496653120.

The previous prime is 421101454435397. The next prime is 421101454435433. The reversal of 421101454435425 is 524534454101124.

421101454435425 is a `hidden beast` number, since 4 + 2 + 1 + 1 + 0 + 14 + 54 + 43 + 542 + 5 = 666.

It is not a de Polignac number, because 421101454435425 - 2¹¹ = 421101454433377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177027292 + ... + 179390258.

It is an arithmetic number, because the mean of its divisors is an integer number (16116296366760).

Almost surely, 2^{421101454435425} is an apocalyptic number.

421101454435425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

421101454435425 is a deficient number, since it is larger than the sum of its proper divisors (352480771169055).

421101454435425 is a wasteful number, since it uses less digits than its factorization.

421101454435425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626999 (or 2626988 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 45.

The spelling of 421101454435425 in words is "four hundred twenty-one trillion, one hundred one billion, four hundred fifty-four million, four hundred thirty-five thousand, four hundred twenty-five".