421753346201 has 16 divisors (see below), whose sum is σ = 462351291840. Its totient is φ = 381533321280.

The previous prime is 421753346191. The next prime is 421753346269. The reversal of 421753346201 is 102643357124.

It is a cyclic number.

It is not a de Polignac number, because 421753346201 - 2¹⁸ = 421753084057 is a prime.

It is a super-2 number, since 2×421753346201² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421753346281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4759835 + ... + 4847631.

It is an arithmetic number, because the mean of its divisors is an integer number (28896955740).

Almost surely, 2^421753346201 is an apocalyptic number.

It is an amenable number.

421753346201 is a deficient number, since it is larger than the sum of its proper divisors (40597945639).

421753346201 is a wasteful number, since it uses less digits than its factorization.

421753346201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89944.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 421753346201 in words is "four hundred twenty-one billion, seven hundred fifty-three million, three hundred forty-six thousand, two hundred one".