421366265001 has 16 divisors (see below), whose sum is σ = 680995984320. Its totient is φ = 255373493760.

The previous prime is 421366264997. The next prime is 421366265027. The reversal of 421366265001 is 100562663124.

421366265001 is a `hidden beast` number, since 4 + 21 + 3 + 6 + 626 + 5 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 421366265001 - 2² = 421366264997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421366265071) 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, 709370520 + ... + 709371113.

It is an arithmetic number, because the mean of its divisors is an integer number (42562249020).

Almost surely, 2^421366265001 is an apocalyptic number.

It is an amenable number.

421366265001 is a deficient number, since it is larger than the sum of its proper divisors (259629719319).

421366265001 is a wasteful number, since it uses less digits than its factorization.

421366265001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418741653 (or 1418741647 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 421366265001 in words is "four hundred twenty-one billion, three hundred sixty-six million, two hundred sixty-five thousand, one".