421355711 has 4 divisors (see below), whose sum is σ = 481549392. Its totient is φ = 361162032.

The previous prime is 421355687. The next prime is 421355713. The reversal of 421355711 is 117553124.

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

It is a de Polignac number, because none of the positive numbers 2^k-421355711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421355713) 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, 30096830 + ... + 30096843.

It is an arithmetic number, because the mean of its divisors is an integer number (120387348).

Almost surely, 2^421355711 is an apocalyptic number.

421355711 is a deficient number, since it is larger than the sum of its proper divisors (60193681).

421355711 is an equidigital number, since it uses as much as digits as its factorization.

421355711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60193680.

The product of its digits is 4200, while the sum is 29.

The square root of 421355711 is about 20526.9508451694. The cubic root of 421355711 is about 749.6921468377.

The spelling of 421355711 in words is "four hundred twenty-one million, three hundred fifty-five thousand, seven hundred eleven".