421496311 has 2 divisors, whose sum is σ = 421496312. Its totient is φ = 421496310.

The previous prime is 421496297. The next prime is 421496371. The reversal of 421496311 is 113694124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421496311 - 2⁵ = 421496279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421496371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210748155 + 210748156.

It is an arithmetic number, because the mean of its divisors is an integer number (210748156).

Almost surely, 2^421496311 is an apocalyptic number.

421496311 is a deficient number, since it is larger than the sum of its proper divisors (1).

421496311 is an equidigital number, since it uses as much as digits as its factorization.

421496311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 421496311 is about 20530.3753253563. The cubic root of 421496311 is about 749.7755245248.

The spelling of 421496311 in words is "four hundred twenty-one million, four hundred ninety-six thousand, three hundred eleven".