1438233280507 has 2 divisors, whose sum is σ = 1438233280508. Its totient is φ = 1438233280506.

The previous prime is 1438233280489. The next prime is 1438233280513. The reversal of 1438233280507 is 7050823328341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1438233280507 - 2¹¹ = 1438233278459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1438233280007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719116640253 + 719116640254.

It is an arithmetic number, because the mean of its divisors is an integer number (719116640254).

Almost surely, 2^{1438233280507} is an apocalyptic number.

1438233280507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438233280507 is an equidigital number, since it uses as much as digits as its factorization.

1438233280507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 1438233280507 in words is "one trillion, four hundred thirty-eight billion, two hundred thirty-three million, two hundred eighty thousand, five hundred seven".