1420864411 has 2 divisors, whose sum is σ = 1420864412. Its totient is φ = 1420864410.

The previous prime is 1420864381. The next prime is 1420864421. The reversal of 1420864411 is 1144680241.

It is a strong prime.

It is an emirp because it is prime and its reverse (1144680241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1420864411 - 2²³ = 1412475803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420864421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710432205 + 710432206.

It is an arithmetic number, because the mean of its divisors is an integer number (710432206).

Almost surely, 2^1420864411 is an apocalyptic number.

1420864411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420864411 is an equidigital number, since it uses as much as digits as its factorization.

1420864411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1420864411 is about 37694.3551609522. The cubic root of 1420864411 is about 1124.2188911366.

The spelling of 1420864411 in words is "one billion, four hundred twenty million, eight hundred sixty-four thousand, four hundred eleven".