1335440256427 has 2 divisors, whose sum is σ = 1335440256428. Its totient is φ = 1335440256426.

The previous prime is 1335440256413. The next prime is 1335440256433. The reversal of 1335440256427 is 7246520445331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1335440256427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1335440256827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667720128213 + 667720128214.

It is an arithmetic number, because the mean of its divisors is an integer number (667720128214).

Almost surely, 2^{1335440256427} is an apocalyptic number.

1335440256427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335440256427 is an equidigital number, since it uses as much as digits as its factorization.

1335440256427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 1335440256427 in words is "one trillion, three hundred thirty-five billion, four hundred forty million, two hundred fifty-six thousand, four hundred twenty-seven".