405263427379 has 2 divisors, whose sum is σ = 405263427380. Its totient is φ = 405263427378.

The previous prime is 405263427377. The next prime is 405263427389. The reversal of 405263427379 is 973724362504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405263427379 - 2¹ = 405263427377 is a prime.

Together with 405263427377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (405263427377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202631713689 + 202631713690.

It is an arithmetic number, because the mean of its divisors is an integer number (202631713690).

Almost surely, 2^405263427379 is an apocalyptic number.

405263427379 is a deficient number, since it is larger than the sum of its proper divisors (1).

405263427379 is an equidigital number, since it uses as much as digits as its factorization.

405263427379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 405263427379 in words is "four hundred five billion, two hundred sixty-three million, four hundred twenty-seven thousand, three hundred seventy-nine".