420253253404211 has 4 divisors (see below), whose sum is σ = 421172844768792. Its totient is φ = 419333662039632.

The previous prime is 420253253404199. The next prime is 420253253404223. The reversal of 420253253404211 is 112404352352024.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (420253253404199) and next prime (420253253404223).

It is a cyclic number.

It is not a de Polignac number, because 420253253404211 - 2³⁰ = 420252179662387 is a prime.

It is a super-2 number, since 2×420253253404211² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420253253404711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459795681605 + ... + 459795682518.

It is an arithmetic number, because the mean of its divisors is an integer number (105293211192198).

Almost surely, 2^{420253253404211} is an apocalyptic number.

420253253404211 is a deficient number, since it is larger than the sum of its proper divisors (919591364581).

420253253404211 is an equidigital number, since it uses as much as digits as its factorization.

420253253404211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919591364580.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 420253253404211 in words is "four hundred twenty trillion, two hundred fifty-three billion, two hundred fifty-three million, four hundred four thousand, two hundred eleven".